{"id":3019,"date":"2015-03-18T00:24:18","date_gmt":"2015-03-17T22:24:18","guid":{"rendered":"http:\/\/viewonphysics.gr\/?p=3019"},"modified":"2017-05-27T23:02:55","modified_gmt":"2017-05-27T20:02:55","slug":"%ce%b5%ce%af%ce%bd%ce%b1%ce%b9-%ce%bb%ce%ac%ce%b8%ce%bf%cf%82-%ce%bf-%ce%b1%cf%81%ce%b9%ce%b8%ce%bc%cf%8c%cf%82-%cf%80%ce%b9","status":"publish","type":"post","link":"https:\/\/viewonphysics.gr\/?p=3019","title":{"rendered":"\u0395\u03af\u03bd\u03b1\u03b9 \u03bb\u03ac\u03b8\u03bf\u03c2 \u03bf \u03b1\u03c1\u03b9\u03b8\u03bc\u03cc\u03c2 \u03a0\u03b9;"},"content":{"rendered":"

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\n\"pi\"<\/a><\/p>\n

14 \u039c\u03b1\u03c1\u03c4\u03af\u03bf\u03c5 ’15 \u03ae 14\/3\/15 \u03ae, \u03ba\u03b1\u03c4\u03ac \u03c4\u03bf\u03bd \u03b1\u03bc\u03b5\u03c1\u03b9\u03ba\u03ac\u03bd\u03b9\u03ba\u03bf \u03c4\u03c1\u03cc\u03c0\u03bf \u03b3\u03c1\u03b1\u03c6\u03ae\u03c2 \u03c4\u03c9\u03bd \u03b7\u03bc\u03b5\u03c1\u03bf\u03bc\u03b7\u03bd\u03b9\u03ce\u03bd, 3\/14\/15. \u0391\u03c5\u03c4\u03ac \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03b1 \u03c0\u03ad\u03bd\u03c4\u03b5 \u03c0\u03c1\u03ce\u03c4\u03b1 \u03c8\u03b7\u03c6\u03af\u03b1 \u03c4\u03bf\u03c5 \u03b3\u03bd\u03c9\u03c3\u03c4\u03bf\u03cd \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03cd <\/p>\n

  <\/span>   <\/span>\"\[\pi\]\"<\/p>\n

. \u0395\u03c0\u03bf\u03bc\u03ad\u03bd\u03c9\u03c2 \u03c4\u03bf \u03a3\u03ac\u03b2\u03b2\u03b1\u03c4\u03bf 14 \u039c\u03b1\u03c1\u03c4\u03af\u03bf\u03c5 ’15 \u03b4\u03b9\u03ba\u03b1\u03af\u03c9\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03bc\u03ad\u03c1\u03b1 \u03c4\u03bf\u03c5 <\/p>\n

  <\/span>   <\/span>\"\[\pi\]\"<\/p>\n

. \u039a\u03b9 \u03b1\u03bd \u03b8\u03ad\u03bb\u03b5\u03c4\u03b5 \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c7\u03c9\u03c1\u03ae\u03c3\u03b5\u03c4\u03b5 \u03b1\u03ba\u03cc\u03bc\u03b1 \u03c0\u03ad\u03bd\u03c4\u03b5 \u03c8\u03b7\u03c6\u03af\u03b1, \u03c0\u03c1\u03bf\u03c3\u03b8\u03ad\u03c3\u03c4\u03b5 \u03c4\u03b7\u03bd \u03ce\u03c1\u03b1 9:26:53, \u03ba\u03b1\u03b9 \u03b8\u03b1 \u03ad\u03c7\u03b5\u03c4\u03b5 \u03bc\u03b5 \u03b1\u03ba\u03c1\u03af\u03b2\u03b5\u03b9\u03b1 \u03b4\u03b5\u03c5\u03c4\u03b5\u03c1\u03cc\u03bb\u03b5\u03c0\u03c4\u03bf\u03c5 \u03c4\u03b7 \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae \u03c0\u03bf\u03c5 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03bd\u03b1 \u03c0\u03b5\u03af\u03c4\u03b5 \u03cc\u03c4\u03b9 “\u03b1\u03c5\u03c4\u03ae \u03b7 \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae \u03b1\u03bd\u03ae\u03ba\u03b5\u03b9 \u03c3\u03c4\u03bf <\/p>\n

  <\/span>   <\/span>\"\[\pi\]\"<\/p>\n

” . \u0392\u03ac\u03bb\u03c4\u03b5 \u03b5\u03c0\u03bf\u03bc\u03ad\u03bd\u03c9\u03c2 \u03c3\u03c4\u03b7 \u03c3\u03b5\u03b9\u03c1\u03ac \u03c4\u03b7\u03bd \u03b7\u03bc\u03b5\u03c1\u03bf\u03bc\u03b7\u03bd\u03af\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b1\u03ba\u03c1\u03b9\u03b2\u03ae \u03ce\u03c1\u03b1 \u03ba\u03b1\u03b9 \u03b8\u03b1 \u03ad\u03c7\u03b5\u03c4\u03b5 \u03b3\u03c1\u03ac\u03c8\u03b5\u03b9 \u03c4\u03b1 \u03b4\u03ad\u03ba\u03b1 \u03c0\u03c1\u03ce\u03c4\u03b1 \u03c8\u03b7\u03c6\u03af\u03b1 \u03c4\u03bf\u03c5 \u03b8\u03c1\u03c5\u03bb\u03b9\u03ba\u03bf\u03cd \u03b1\u03c5\u03c4\u03bf\u03cd \u03ac\u03c1\u03c1\u03b7\u03c4\u03bf\u03c5 \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03cd. <\/p>\n

\u039c\u03b5 \u03b1\u03c6\u03bf\u03c1\u03bc\u03ae \u03c4\u03b7\u03bd \u03b7\u03bc\u03ad\u03c1\u03b1 \u03b1\u03c5\u03c4\u03ae, \u03c4\u03b7\u03bd \u03bf\u03c0\u03bf\u03af\u03b1 \u03b8\u03b1 \u03be\u03b1\u03bd\u03b1\u03c3\u03c5\u03bd\u03b1\u03bd\u03c4\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03bc\u03b5\u03c4\u03ac \u03b1\u03c0\u03cc \u03bc\u03b5\u03c1\u03b9\u03ba\u03bf\u03cd\u03c2 \u03b1\u03b9\u03ce\u03bd\u03b5\u03c2 \u03b1\u03bd \u03b8\u03ad\u03bb\u03bf\u03c5\u03bc\u03b5 \u03bd\u03b1 \u03be\u03b1\u03bd\u03b1\u03b4\u03bf\u03cd\u03bc\u03b5 \u03ba\u03b1\u03b9 \u03c0\u03ac\u03bb\u03b9 \u03c4\u03b1 \u03b4\u03ad\u03ba\u03b1 \u03c0\u03c1\u03ce\u03c4\u03b1 \u03c8\u03b7\u03c6\u03af\u03b1, \u03b4\u03b5\u03af\u03c4\u03b5 \u03ad\u03bd\u03b1 \u03b5\u03bd\u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03bf\u03bd \u03ac\u03c1\u03b8\u03c1\u03bf \u03c4\u03bf\u03c5 Bob Palais<\/strong><\/em> \u03b1\u03c0\u03cc \u03c4\u03bf \u03b2\u03b9\u03b2\u03bb\u03af\u03bf Pi: A Source Book.<\/strong><\/em> \u039f Bob Palais \u03b1\u03bc\u03c6\u03b9\u03c3\u03b2\u03b7\u03c4\u03b5\u03af \u03c4\u03bf\u03bd \u03b1\u03c1\u03b9\u03b8\u03bc\u03cc <\/p>\n

  <\/span>   <\/span>\"\[\pi\]\"<\/p>\n

, \u03c9\u03c2 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03bf\u03bd \u03c4\u03c1\u03cc\u03c0\u03bf \u03c0\u03bf\u03c5 \u03c4\u03bf\u03bd \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bc\u03b5 \u03b4\u03b9\u03b1\u03ba\u03b7\u03c1\u03cd\u03c3\u03c3\u03bf\u03bd\u03c4\u03b1\u03c2 \u03cc\u03c4\u03b9 “<\/p>\n

  <\/span>   <\/span>\"\[\pi\]\"<\/p>\n

Is Wrong”. <\/strong><\/em>\u0393\u03b9\u03b1\u03c4\u03af; \u0399\u03b4\u03bf\u03cd \u03bb\u03bf\u03b9\u03c0\u03cc\u03bd:<\/p>\n

\u039e\u03ad\u03c1\u03c9 \u03cc\u03c4\u03b9 \u03bc\u03b5\u03c1\u03b9\u03ba\u03bf\u03af \u03b8\u03b1 \u03c4\u03bf \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03ae\u03c1\u03b9\u03b6\u03b1\u03bd \u03c9\u03c2 \u03cd\u03b2\u03c1\u03b9, \u03b1\u03bb\u03bb\u03ac \u03b8\u03b5\u03c9\u03c1\u03ce \u03cc\u03c4\u03b9 \u03bf <\/p>\n

  <\/span>   <\/span>\"\[\pi\]\"<\/p>\n

\u03b5\u03af\u03bd\u03b1\u03b9 \u03bb\u03ac\u03b8\u03bf\u03c2. \u0393\u03b9\u03b1 \u03b1\u03b9\u03ce\u03bd\u03b5\u03c2 \u03bf <\/p>\n

  <\/span>   <\/span>\"\[\pi\]\"<\/p>\n

\u03b1\u03c0\u03bf\u03bb\u03ac\u03bc\u03b2\u03b1\u03bd\u03b5 \u03b1\u03c0\u03b5\u03c1\u03b9\u03cc\u03c1\u03b9\u03c3\u03c4\u03b7\u03c2 \u03b5\u03ba\u03c4\u03af\u03bc\u03b7\u03c3\u03b7\u03c2. \u039f\u03b9 \u03bc\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03bf\u03af \u03ad\u03c7\u03bf\u03c5\u03bd \u03b3\u03c1\u03ac\u03c8\u03b5\u03b9 \u03c1\u03b1\u03c8\u03c9\u03b4\u03af\u03b5\u03c2 \u03b3\u03cd\u03c1\u03c9 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03bc\u03c5\u03c3\u03c4\u03ae\u03c1\u03b9\u03b1 \u03c4\u03bf\u03c5, \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03bf \u03c9\u03c2 \u03c3\u03cd\u03bc\u03b2\u03bf\u03bb\u03bf \u03c4\u03b7\u03c2 \u03bc\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae\u03c2 \u03ba\u03bf\u03b9\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ce\u03bd \u03b3\u03b5\u03bd\u03b9\u03ba\u03cc\u03c4\u03b5\u03c1\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03b5\u03b9\u03c3\u03ae\u03b3\u03b1\u03b3\u03b1\u03bd \u03c3\u03c4\u03bf\u03c5\u03c2 calculators\u00a0 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b9\u03c2 \u03b3\u03bb\u03ce\u03c3\u03c3\u03b5\u03c2 \u03c0\u03c1\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd. \u0391\u03ba\u03cc\u03bc\u03b7 \u03ba\u03b1\u03b9 \u03ba\u03b9\u03bd\u03b7\u03bc\u03b1\u03c4\u03bf\u03b3\u03c1\u03b1\u03c6\u03b9\u03ba\u03cc \u03ad\u03c1\u03b3\u03bf \u03ad\u03c7\u03b5\u03b9 \u03b3\u03c5\u03c1\u03b9\u03c3\u03c4\u03b5\u03af \u03bc\u03b5 \u03c4\u03bf \u03cc\u03bd\u03bf\u03bc\u03ac \u03c4\u03bf\u03c5. \u0394\u03b5\u03bd \u03b1\u03bc\u03c6\u03b9\u03c3\u03b2\u03b7\u03c4\u03ce \u03c4\u03b7 \u03bb\u03bf\u03b3\u03b9\u03ba\u03ae \u03c4\u03bf\u03c5, \u03c4\u03b7\u03bd \u03c5\u03c0\u03b5\u03c1\u03bf\u03c7\u03ae \u03c4\u03bf\u03c5 \u03ae \u03c4\u03bf\u03bd \u03b1\u03c1\u03b9\u03b8\u03bc\u03b7\u03c4\u03b9\u03ba\u03cc \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc \u03c4\u03bf\u03c5, \u03b1\u03bb\u03bb\u03ac \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03c4\u03bf\u03c5 \u03c9\u03c2 \u03ad\u03bd\u03b1\u03bd \u03b1\u03c1\u03b9\u03b8\u03bc\u03cc \u03c3\u03c4\u03bf\u03bd \u03bf\u03c0\u03bf\u03af\u03bf \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5 \u03b5\u03bd\u03b1\u03c0\u03bf\u03b8\u03ad\u03c3\u03b5\u03b9 \u03c0\u03bf\u03bb\u03cd \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ac \u03b3\u03b5\u03c9\u03bc\u03b5\u03c4\u03c1\u03b9\u03ba\u03ac \u03b6\u03b7\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1. \u0397 \u03ba\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03b7 \u03c4\u03b9\u03bc\u03ae \u03b7 \u03bf\u03c0\u03bf\u03af\u03b1 \u03b5\u03ba\u03c6\u03c1\u03ac\u03b6\u03b5\u03b9 \u03cc\u03bb\u03bf \u03c4\u03bf \u03c3\u03b5\u03b2\u03b1\u03c3\u03bc\u03cc \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b5\u03c5\u03bb\u03ac\u03b2\u03b5\u03b9\u03b1, \u03b5\u03bd \u03b1\u03bd\u03c4\u03b9\u03b8\u03ad\u03c3\u03b5\u03b9 \u03bc\u03b5 \u03c4\u03bf\u03bd \u03c4\u03c1\u03ad\u03c7\u03bf\u03bd\u03c4\u03b1 \u03b1\u03c1\u03b9\u03b8\u03bc\u03cc <\/p>\n

  <\/span>   <\/span>\"\[\pi\]\"<\/p>\n

, \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03c5\u03c3\u03c4\u03c5\u03c7\u03ce\u03c2 \u03c4\u03ce\u03c1\u03b1 \u03ad\u03bd\u03b1\u03c2 \u03b1\u03c1\u03b9\u03b8\u03bc\u03cc\u03c2 \u03b3\u03bd\u03c9\u03c3\u03c4\u03cc\u03c2 \u03c9\u03c2 <\/p>\n

  <\/span>   <\/span>\"\[2\pi\]\"<\/p>\n

. \u0391\u03c2 \u03c4\u03bf\u03bd \u03c3\u03c5\u03bc\u03b2\u03bf\u03bb\u03af\u03c3\u03bf\u03c5\u03bc\u03b5 \u03bc\u03b5 <\/p>\n

  <\/span>   <\/span>\"\[\tau\]\"<\/p>\n

. \u0394\u03b7\u03bb\u03b1\u03b4\u03ae <\/p>\n

  <\/span>   <\/span>\"\[\tau=2\pi\]\"<\/p>\n

.
\n<\/p>\n

\u0394\u03b5\u03bd \u03b1\u03b9\u03c3\u03b8\u03ac\u03bd\u03bf\u03bc\u03b1\u03b9 \u03b1\u03c0\u03b1\u03c1\u03b1\u03af\u03c4\u03b7\u03c4\u03b1 \u03cc\u03c4\u03b9 \u03bf <\/p>\n

  <\/span>   <\/span>\"\[\pi\]\"<\/p>\n

\u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b1\u03bb\u03bb\u03ac\u03be\u03b5\u03b9 \u03ae \u03b1\u03ba\u03cc\u03bc\u03b7 \u03bd\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03b1\u03b8\u03b5\u03af \u03b1\u03c0\u03cc \u03ba\u03ac\u03c0\u03bf\u03b9\u03bf\u03bd \u03ac\u03bb\u03bb\u03bf\u03bd (\u03b1\u03bd \u03ba\u03b1\u03b9 \u03bc\u03ad\u03c7\u03c1\u03b9 \u03c4\u03ce\u03c1\u03b1 \u03ad\u03c7\u03c9 \u03b4\u03b5\u03b9 \u03ba\u03ac\u03c0\u03bf\u03b9\u03b5\u03c2 \u03c0\u03c1\u03bf\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2), \u03b1\u03bb\u03bb\u03ac \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03cc \u03bd\u03b1 \u03b1\u03bd\u03b1\u03b3\u03bd\u03c9\u03c1\u03af\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03c0\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2 \u03b5\u03bd\u03cc\u03c2 \u03bb\u03ac\u03b8\u03bf\u03c5\u03c2 \u03c9\u03c2 \u03bc\u03b9\u03b1 \u03c0\u03c1\u03bf\u03b5\u03b9\u03b4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03bc\u03ac\u03b8\u03b7\u03bc\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03c4\u03c1\u03cc\u03c0\u03bf \u03c4\u03b7\u03c2 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae\u03c2 \u03ba\u03b1\u03bb\u03ce\u03bd \u03c3\u03c5\u03bc\u03b2\u03ac\u03c3\u03b5\u03c9\u03bd \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03b1\u03bb\u03bb\u03b1\u03b3\u03ae \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ce\u03bd \u03b9\u03b4\u03b5\u03ce\u03bd. \u03a3\u03c5\u03b3\u03ba\u03c1\u03af\u03bd\u03c9 \u03c4\u03bf \u03c0\u03c1\u03cc\u03b2\u03bb\u03b7\u03bc\u03b1 \u03bc\u03b5 \u03b1\u03c5\u03c4\u03cc \u03c4\u03bf\u03c5 \u03c4\u03b9 \u03b8\u03b1 \u03c3\u03c5\u03bd\u03ad\u03b2\u03b1\u03b9\u03bd\u03b5 \u03b1\u03bd \u03bf Leonard Euler \u03b5\u03af\u03c7\u03b5 \u03bf\u03c1\u03af\u03c3\u03b5\u03b9 \u03c4\u03bf\u03bd \u03b1\u03c1\u03b9\u03b8\u03bc\u03cc <\/p>\n

  <\/span>   <\/span>\"\[e\]\"<\/p>\n

\u03c9\u03c2 0,3678…, \u03b4\u03b7\u03bb\u03b1\u03b4\u03ae \u03c4\u03bf\u03bd \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03c1\u03bf\u03c6\u03bf \u03b1\u03c0\u03cc \u03b1\u03c5\u03c4\u03cc \u03c0\u03bf\u03c5 \u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03bf\u03c5\u03bc\u03b5: <\/p>\n

  <\/span>   <\/span>\"\[\frac{1}{2,718...}\]\"<\/p>\n

. \u03a3\u03c4\u03b7\u03bd \u03c0\u03b5\u03c1\u03af\u03c0\u03c4\u03c9\u03c3\u03b7 \u03b1\u03c5\u03c4\u03ae \u03b8\u03b1 \u03c5\u03c0\u03ae\u03c1\u03c7\u03b1\u03bd \u03c4\u03cc\u03c3\u03b1 \u03c0\u03bf\u03bb\u03bb\u03ac \u03b1\u03bd\u03b5\u03c0\u03b9\u03b8\u03cd\u03bc\u03b7\u03c4\u03b1 \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03ac \u03c0\u03c1\u03cc\u03c3\u03b7\u03bc\u03b1 \u03bd\u03b1 \u03b1\u03b9\u03c9\u03c1\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b3\u03cd\u03c1\u03c9 \u03b3\u03cd\u03c1\u03c9, \u03b5\u03be \u03b1\u03b9\u03c4\u03af\u03b1\u03c2 \u03b1\u03c5\u03c4\u03ae\u03c2 \u03c4\u03b7\u03c2 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae\u03c2, \u03cc\u03c3\u03bf\u03b9 \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ad\u03c2 2 \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd \u03b5\u03be \u03b1\u03b9\u03c4\u03af\u03b1\u03c2 \u03c4\u03bf\u03c5 <\/p>\n

  <\/span>   <\/span>\"\[\pi=3,14...\]\"<\/p>\n

\u0397 \u03c0\u03b9\u03bf \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ae \u03c3\u03c5\u03bd\u03ad\u03c0\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03ba\u03b1\u03ba\u03bf\u03cd \u03bf\u03c1\u03b9\u03c3\u03bc\u03bf\u03cd \u03c4\u03bf\u03c5 <\/p>\n

  <\/span>   <\/span>\"\[\pi\]\"<\/p>\n

\u03b5\u03af\u03bd\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03c5\u03c2 \u03bd\u03ad\u03bf\u03c5\u03c2 \u03c3\u03c0\u03bf\u03c5\u03b4\u03b1\u03c3\u03c4\u03ad\u03c2 \u03c4\u03b7\u03c2 \u03b3\u03b5\u03c9\u03bc\u03b5\u03c4\u03c1\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03c1\u03b9\u03b3\u03c9\u03bd\u03bf\u03bc\u03b5\u03c4\u03c1\u03af\u03b1\u03c2 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03bf\u03c0\u03bf\u03af\u03bf\u03c5\u03c2 \u03bf\u03b9 \u03bc\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03bf\u03af \u03c4\u03bf\u03c5\u03c2 \u03bb\u03ad\u03bd\u03b5 \u03cc\u03c4\u03b9 \u03b7 \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7 \u03c3\u03b5 rad (\u03b1\u03ba\u03c4\u03af\u03bd\u03b9\u03b1) \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b9\u03bf \u03c6\u03c5\u03c3\u03b9\u03ba\u03ae \u03b1\u03c0\u03cc \u03c4\u03b7 \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7 \u03c3\u03b5 \u03bc\u03bf\u03af\u03c1\u03b5\u03c2. \u03a3\u03c4\u03b7\u03bd \u03bf\u03c5\u03c3\u03af\u03b1 \u03c0\u03c1\u03ac\u03b3\u03bc\u03b1\u03c4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9, \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03bf\u03c5 \u03cc\u03c4\u03b9 \u03c4\u03bf \u03ad\u03bd\u03b1 \u03c4\u03ad\u03c4\u03b1\u03c1\u03c4\u03bf \u03c4\u03bf\u03c5 \u03ba\u03cd\u03ba\u03bb\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b9\u03bf \u03c6\u03c5\u03c3\u03b9\u03ba\u03cc \u03bd\u03b1 \u03bc\u03b5\u03c4\u03c1\u03ac\u03bc\u03b5 \u03c9\u03c2 1,57…. \u03c0\u03b1\u03c1\u03ac \u03c9\u03c2 \"90^0\". \u0394\u03c5\u03c3\u03c4\u03c5\u03c7\u03ce\u03c2 \u03b1\u03c5\u03c4\u03ae \u03b7 \u03c0\u03bf\u03bb\u03cd \u03cc\u03bc\u03bf\u03c1\u03c6\u03b7 \u03b9\u03b4\u03ad\u03b1 \u03c3\u03b1\u03bc\u03c0\u03bf\u03c4\u03ac\u03c1\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03b3\u03b5\u03b3\u03bf\u03bd\u03cc\u03c2 \u03cc\u03c4\u03b9 \u03c4\u03bf <\/p>\n

  <\/span>   <\/span>\"\[\pi\]\"<\/p>\n

\u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 6,28…, \u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03b8\u03b1 \u03ad\u03ba\u03b1\u03bd\u03b5 \u03c4\u03bf \u03c4\u03ad\u03c4\u03b1\u03c1\u03c4\u03bf \u03c4\u03bf\u03c5 \u03ba\u03cd\u03ba\u03bb\u03bf\u03c5 \u03ae \u03c4\u03bf \u03c4\u03b5\u03c4\u03b1\u03c1\u03c4\u03b7\u03bc\u03cc\u03c1\u03b9\u03bf \u03af\u03c3\u03bf \u03bc\u03b5 <\/p>\n

  <\/span>   <\/span>\"\[\pi/4\]\"<\/p>\n

rad, \u03c4\u03bf \u03ad\u03bd\u03b1 \u03c4\u03c1\u03af\u03c4\u03bf \u03c4\u03bf\u03c5 \u03ba\u03cd\u03ba\u03bb\u03bf\u03c5 \u03af\u03c3\u03bf \u03bc\u03b5 <\/p>\n

  <\/span>   <\/span>\"\[\pi/3\]\"<\/p>\n

rad \u03ba.\u03bf.\u03ba. \u0397 \u03b5\u03c5\u03ba\u03b1\u03b9\u03c1\u03af\u03b1 \u03bd\u03b1 \u03b5\u03bd\u03c4\u03c5\u03c0\u03c9\u03c3\u03b9\u03ac\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03c6\u03bf\u03b9\u03c4\u03b7\u03c4\u03ad\u03c2 \u03bc\u03b5 \u03bc\u03af\u03b1 \u03cc\u03bc\u03bf\u03c1\u03c6\u03b7 \u03ba\u03b1\u03b9 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ae \u03b1\u03c0\u03bb\u03bf\u03cd\u03c3\u03c4\u03b5\u03c5\u03c3\u03b7, \u03bc\u03b5\u03c4\u03b1\u03c4\u03c1\u03ac\u03c0\u03b7\u03ba\u03b5 \u03c3\u03b5 \u03bc\u03af\u03b1 \u03c0\u03b1\u03c1\u03ac\u03bb\u03bf\u03b3\u03b7 \u03ac\u03c3\u03ba\u03b7\u03c3\u03b7 \u03b1\u03c0\u03bf\u03bc\u03bd\u03b7\u03bc\u03cc\u03bd\u03b5\u03c5\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03b4\u03bf\u03b3\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd. \u039c\u03af\u03b1 \u03b5\u03bc\u03c6\u03b1\u03bd\u03ae\u03c2 \u03b1\u03bd\u03b1\u03bb\u03bf\u03b3\u03af\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bd\u03b1 \u03b1\u03c6\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b1 \u03c1\u03bf\u03bb\u03cc\u03b3\u03b9\u03b1 \u03cc\u03c0\u03c9\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9, \u03b1\u03bb\u03bb\u03ac \u03bd\u03b1 \u03bf\u03c1\u03af\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c9\u03c2 \u03ce\u03c1\u03b1 \u03c4\u03b1 30 \u03bb\u03b5\u03c0\u03c4\u03ac. \u03a3’ \u03b1\u03c5\u03c4\u03ae\u03bd \u03c4\u03b7\u03bd \u03c0\u03b5\u03c1\u03af\u03c0\u03c4\u03c9\u03c3\u03b7 \u03c4\u03b1 15 \u03bb\u03b5\u03c0\u03c4\u03ac \u03ae \u03c4\u03bf \u03c4\u03ad\u03c4\u03b1\u03c1\u03c4\u03bf \u03c4\u03bf\u03c5 \u03c1\u03bf\u03bb\u03bf\u03b3\u03b9\u03bf\u03cd \u03b8\u03b1 \u03c4\u03b1 \u03bb\u03ad\u03b3\u03b1\u03bc\u03b5 \u03bc\u03b9\u03c3\u03ae \u03ce\u03c1\u03b1, \u03b1\u03ba\u03c1\u03b9\u03b2\u03ce\u03c2 \u03cc\u03c0\u03c9\u03c2 \u03c4\u03ce\u03c1\u03b1 \u03bb\u03ad\u03bc\u03b5 \u03c4\u03bf \u03c4\u03ad\u03c4\u03b1\u03c1\u03c4\u03bf \u03c4\u03bf\u03c5 \u03ba\u03cd\u03ba\u03bb\u03bf\u03c5 \u03bc\u03b9\u03c3\u03cc <\/p>\n

  <\/span>   <\/span>\"\[\pi\]\"<\/p>\n

\u03c3\u03c4\u03b1 \u03bc\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac! \u0391\u03ba\u03cc\u03bc\u03b7 \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03c3\u03cd\u03bd\u03b8\u03b5\u03c4\u03b1 \u03bc\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac \u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03b9\u03ba\u03ac \u03c0\u03c1\u03bf\u03c4\u03b9\u03bc\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd <\/p>\n

  <\/span>   <\/span>\"\[90^0\]\"<\/p>\n

\u03b3\u03b9\u03b1 \u03bd\u03b1 \u03bf\u03c1\u03af\u03c3\u03bf\u03c5\u03bd \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae \u03af\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03bf \u03c4\u03ad\u03c4\u03b1\u03c1\u03c4\u03bf \u03c4\u03bf\u03c5 \u03ba\u03cd\u03ba\u03bb\u03bf\u03c5. \u0394\u03b5\u03bd \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bc\u03b5 \u03bd\u03b1 \u03c4\u03b1 \u03ba\u03b1\u03c4\u03b7\u03b3\u03bf\u03c1\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03b3\u03b9\u03b1 \u03c4\u03bf \u03cc, \u03c4\u03b9 \u03c4\u03bf <\/p>\n

  <\/span>   <\/span>\"\[\pi\]\"<\/p>\n

\u03b5\u03af\u03bd\u03b1\u03b9 \u03bb\u03ac\u03b8\u03bf\u03c2.<\/p>\n

\u038a\u03c3\u03c9\u03c2 \u03c0\u03b9\u03bf \u03c0\u03b5\u03b9\u03c3\u03c4\u03b9\u03ba\u03cc \u03b3\u03b9\u03b1 \u03c4\u03bf\u03c5\u03c2 \u03bc\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03ba\u03b1\u03c4\u03b5\u03b2\u03b1\u03c4\u03cc \u03b1\u03c0\u03cc \u03c3\u03c0\u03bf\u03c5\u03b4\u03b1\u03af\u03b1 \u03b8\u03b5\u03c9\u03c1\u03ae\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03cd\u03c0\u03bf\u03c5\u03c2 \u03c3\u03c4\u03b1 \u03bf\u03c0\u03bf\u03af\u03b1 \u03b1\u03c5\u03c4\u03cc\u03c2 o \u03c0\u03b1\u03bd\u03c4\u03b1\u03c7\u03bf\u03cd \u03c0\u03b1\u03c1\u03ce\u03bd \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 2 \u03ad\u03c7\u03b5\u03b9 \u03c0\u03b1\u03c1\u03b5\u03b9\u03c3\u03c6\u03c1\u03ae\u03c3\u03b5\u03b9 \u03ba\u03b1\u03b9 \u03b1\u03bd\u03b1\u03c0\u03b1\u03c1\u03ac\u03b3\u03b5\u03c4\u03b1\u03b9. \u03a4\u03bf \u03bf\u03bb\u03bf\u03ba\u03bb\u03ae\u03c1\u03c9\u03bc\u03b1 \u03c4\u03bf\u03c5 Cauchy \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03c3\u03b5\u03b9\u03c1\u03ad\u03c2 Fourier \u03cc\u03bb\u03b1 \u03b1\u03c1\u03c7\u03af\u03b6\u03bf\u03c5\u03bd \u03bc\u03b5 \u03c4\u03bf <\/p>\n

  <\/span>   <\/span>\"\[\frac{1}{2\pi}\]\"<\/p>\n

. \u0397 \u03c0\u03c1\u03bf\u03c3\u03ad\u03b3\u03b3\u03b9\u03c3\u03b7 \u03c4\u03bf\u03c5 Stirling \u03ba\u03b1\u03b9 \u03b7 \u03ba\u03b1\u03bd\u03bf\u03bd\u03b9\u03ba\u03ae \u03ba\u03b1\u03c4\u03b1\u03bd\u03bf\u03bc\u03ae \u03c4\u03bf\u03c5 Gauss \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03b4\u03cd\u03bf \u03c4\u03bf \u03bc\u03b5\u03c4\u03b1\u03c6\u03ad\u03c1\u03bf\u03c5\u03bd, \u03c4\u03b1 \u03b8\u03b5\u03c9\u03c1\u03ae\u03bc\u03b1\u03c4\u03b1 Gauss-Bonet \u03ba\u03b1\u03b9 Picard \u03ad\u03c7\u03bf\u03c5\u03bd \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03c4\u03bf \u03c3\u03ae\u03bc\u03b1 \u03c4\u03bf\u03c5 <\/p>\n

  <\/span>   <\/span>\"\[2\pi\]\"<\/p>\n

. (\u039f \u0391\u03c1\u03c7\u03b9\u03bc\u03ae\u03b4\u03b7\u03c2 \u03ad\u03b4\u03b5\u03b9\u03be\u03b5 \u03cc\u03c4\u03b9 \u03b7 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03bc\u03bf\u03bd\u03b1\u03b4\u03b9\u03b1\u03af\u03b1\u03c2 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03ba\u03c5\u03bb\u03af\u03bd\u03b4\u03c1\u03bf\u03c5 \u03af\u03b4\u03b9\u03b1\u03c2 \u03b1\u03ba\u03c4\u03af\u03bd\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03cd\u03c8\u03bf\u03c5\u03c2 \u03ae \u03b4\u03cd\u03bf \u03c6\u03bf\u03c1\u03ad\u03c2 \u03b7 \u03c0\u03b5\u03c1\u03af\u03bc\u03b5\u03c4\u03c1\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03bc\u03bf\u03bd\u03b1\u03b4\u03b9\u03b1\u03af\u03bf\u03c5 \u03ba\u03cd\u03ba\u03bb\u03bf\u03c5: <\/p>\n

  <\/span>   <\/span>\"\[4\pi=2(2\pi)\]\"<\/p>\n

.) \u03a4\u03b1 \u03b5\u03c0\u03b1\u03ba\u03cc\u03bb\u03bf\u03c5\u03b8\u03b1 \u03c4\u03bf\u03c5 \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae 2 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03bf\u03c5\u03bd \u03ba\u03b1\u03b9 \u03c4\u03b7 \u03a6\u03c5\u03c3\u03b9\u03ba\u03ae, \u03cc\u03c0\u03c9\u03c2 \u03c0.\u03c7. \u03c3\u03c4\u03b9\u03c2 \u03b5\u03be\u03b9\u03c3\u03ce\u03c3\u03b5\u03b9\u03c2 Maxwell (\u039d\u03cc\u03bc\u03bf\u03c2 \u03c4\u03bf\u03c5 Causs, \u039d\u03cc\u03bc\u03bf\u03c2 \u03c4\u03bf\u03c5 Amp\u00e8re, \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ac \u03c4\u03bf\u03c5 Coulomb), \u03c3\u03c4\u03b7 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ac \u03c4\u03bf\u03c5 Planck,<\/p>\n

  <\/span>   <\/span>\"\[\frac{h}{2\pi}\]\"<\/p>\n

. \u039f \u03c4\u03cd\u03c0\u03bf\u03c2 \u03c4\u03bf\u03c5 Euler \u03b8\u03b1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03c3\u03b5 \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 <\/p>\n

  <\/span>   <\/span>\"\[e^{i\pi}=1\]\"<\/p>\n

(\u03ae <\/p>\n

  <\/span>   <\/span>\"\[e^{i\pi/2}=-1\]\"<\/p>\n

, \u03c3\u03c4\u03bf\u03bd \u03bf\u03c0\u03bf\u03af\u03bf \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b5\u03c0\u03b9 \u03c0\u03bb\u03ad\u03bf\u03bd \u03b7 \u03b8\u03b5\u03bc\u03b5\u03bb\u03b9\u03ce\u03b4\u03b7\u03c2 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ac 2). \u0394\u03b5 \u03b8\u03b1 \u03ae\u03c4\u03b1\u03bd \u03c0\u03b9\u03bf \u03c9\u03c1\u03b1\u03af\u03bf \u03b1\u03bd \u03b7 \u03c0\u03b5\u03c1\u03af\u03bf\u03b4\u03bf\u03c2 \u03c4\u03c9\u03bd \u03b8\u03b5\u03bc\u03b5\u03bb\u03b9\u03c9\u03b4\u03ce\u03bd \u03ba\u03c5\u03ba\u03bb\u03b9\u03ba\u03ce\u03bd \u03c3\u03c5\u03bd\u03b1\u03c1\u03c4\u03ae\u03c3\u03b5\u03c9\u03bd \u03c3\u03c5\u03bd\u03b8 \u03ba\u03b1\u03b9 \u03b7\u03bc\u03b8 \u03ae\u03c4\u03b1\u03bd \u03c4\u03bf <\/p>\n

  <\/span>   <\/span>\"\[\pi\]\"<\/p>\n

\u03ba\u03b1\u03b9 \u03cc\u03c7\u03b9 \u03c4\u03bf <\/p>\n

  <\/span>   <\/span>\"\[2\pi\]\"<\/p>\n

; \u0394\u03b5 \u03b8\u03b1 \u03ae\u03c4\u03b1\u03bd \u03c0\u03b9\u03bf \u03c9\u03c1\u03b1\u03af\u03bf \u03b1\u03bd \u03c4\u03b1 \u03b7\u03bc\u03b9\u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03b1 \u03bf\u03bb\u03bf\u03ba\u03bb\u03b7\u03c1\u03c9\u03bc\u03b1\u03c4\u03b1, \u03cc\u03c0\u03c9\u03c2 \u03bf \u03bc\u03b5\u03c4\u03b1\u03c3\u03c7\u03b7\u03bc\u03b1\u03c3\u03c4\u03b9\u03c3\u03bc\u03cc\u03c2 Hilbert, \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03bd \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b5\u03bc\u03c6\u03ac\u03bd\u03b9\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae 2 \u03c0\u03b1\u03c1\u03ac \u03b1\u03c0\u03cc \u03c4\u03b7 \u03bc\u03b7 \u03c5\u03c0\u03ac\u03c1\u03be\u03ae \u03c4\u03bf\u03c5;<\/p>\n

\u03a4\u03bf \u03ac\u03b8\u03c1\u03bf\u03b9\u03c3\u03bc\u03b1 \u03c4\u03c9\u03bd \u03b5\u03c3\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03ce\u03bd \u03b3\u03c9\u03bd\u03b9\u03ce\u03bd \u03c4\u03bf\u03c5 \u03c4\u03c1\u03b9\u03b3\u03ce\u03bd\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 <\/p>\n

  <\/span>   <\/span>\"\[\pi\]\"<\/p>\n

, \u03b1\u03bb\u03bb\u03ac \u03c4\u03bf \u03ac\u03b8\u03c1\u03bf\u03b9\u03c3\u03bc\u03b1 \u03c4\u03c9\u03bd \u03b5\u03be\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03ce\u03bd \u03b3\u03c9\u03bd\u03b9\u03ce\u03bd \u03bf\u03c0\u03bf\u03b9\u03bf\u03c5\u03b4\u03ae\u03c0\u03bf\u03c4\u03b5 \u03c0\u03bf\u03bb\u03c5\u03b3\u03ce\u03bd\u03bf\u03c5, \u03b1\u03c0\u03cc \u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03b5\u03cd\u03ba\u03bf\u03bb\u03b1 \u03bd\u03b1 \u03c0\u03c1\u03bf\u03ba\u03cd\u03c8\u03b5\u03b9 \u03c4\u03bf \u03ac\u03b8\u03c1\u03bf\u03b9\u03c3\u03bc\u03b1 \u03c4\u03c9\u03bd \u03b5\u03c3\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03ce\u03bd \u03b3\u03c9\u03bd\u03b9\u03ce\u03bd \u03ba\u03b1\u03b9 \u03c0\u03bf\u03c5 \u03b3\u03b5\u03bd\u03b9\u03ba\u03b5\u03cd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03b5\u03c0\u03b9\u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b9\u03bf \u03bf\u03bb\u03bf\u03ba\u03bb\u03ae\u03c1\u03c9\u03bc\u03b1 \u03bc\u03b9\u03b1\u03c2 \u03b1\u03c0\u03bb\u03ae\u03c2 \u03ba\u03bb\u03b5\u03b9\u03c3\u03c4\u03ae\u03c2 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7\u03c2, \u03b5\u03af\u03bd\u03b1\u03b9 <\/p>\n

  <\/span>   <\/span>\"\[2\pi\]\"<\/p>\n

. \u039f \u03c6\u03c5\u03c3\u03b9\u03ba\u03cc\u03c2 \u03c4\u03cd\u03c0\u03bf\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03ba\u03cd\u03ba\u03bb\u03bf\u03c5, <\/p>\n

  <\/span>   <\/span>\"\[\frac{1}{2} \pi r^2\]\"<\/p>\n

, \u03ad\u03c7\u03b5\u03b9 \u03c4\u03b7 \u03b3\u03bd\u03c9\u03c3\u03c4\u03ae \u03bc\u03bf\u03c1\u03c6\u03ae \u03c4\u03bf\u03c5 <\/p>\n

  <\/span>   <\/span>\"\[\frac{1}{2} g t^2\]\"<\/p>\n

\u03ae \u03c4\u03bf\u03c5 <\/p>\n

  <\/span>   <\/span>\"\[\frac{1}{2}m v^2\]\"<\/p>\n

, \u03b8\u03b1 \u03b5\u03af\u03c7\u03b5 \u03b5\u03b9\u03c3\u03b1\u03b3\u03ac\u03b3\u03b5\u03b9 \u03ba\u03b1\u03bb\u03ad\u03c2 \u03c3\u03c5\u03bd\u03ae\u03b8\u03b9\u03b5\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03c9\u03bd\u03b9\u03ba\u03ce\u03bd \u03c0\u03bf\u03c3\u03bf\u03c4\u03ae\u03c4\u03c9\u03bd \u03ba\u03b1\u03b9 \u03b8\u03b1 \u03c0\u03c1\u03bf\u03b4\u03b9\u03ad\u03b3\u03c1\u03b1\u03c6\u03b5 \u03bc\u03b9\u03b1 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03b7\u03c2 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03ba\u03cd\u03ba\u03bb\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 \u03bf\u03bb\u03bf\u03ba\u03bb\u03b7\u03c1\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ba\u03b1\u03c4\u03ac \u03bc\u03ae\u03ba\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03c0\u03b5\u03c1\u03b9\u03c6\u03ad\u03c1\u03b5\u03b9\u03b1\u03c2 (\u03c3\u03b5 \u03c3\u03c5\u03bd\u03ac\u03c1\u03c4\u03b7\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03b1\u03ba\u03c4\u03af\u03bd\u03b1) \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03c3\u03c7\u03ad\u03c3\u03b7 <\/p>\n

  <\/span>   <\/span>\"\[\pi r^2\]\"<\/p>\n

. \u0393\u03b9\u03b1 \u03bd\u03b1 \u03c4\u03bf \u03b8\u03ad\u03c3\u03bf\u03c5\u03bc\u03b5 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ac, \u03b7 \u03b1\u03ba\u03c4\u03af\u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03bf\u03bb\u03cd \u03c0\u03b9\u03bf \u03b2\u03bf\u03bb\u03b9\u03ba\u03ae \u03b1\u03c0\u03cc \u03c4\u03b7 \u03b4\u03b9\u03ac\u03bc\u03b5\u03c4\u03c1\u03bf – \u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c5\u03c0\u03cc\u03c8\u03b7 \u03c4\u03b9 \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03bc\u03bf\u03bd\u03b1\u03b4\u03b9\u03b1\u03af\u03bf\u03c2 \u03ba\u03cd\u03ba\u03bb\u03bf\u03c2. \u0391\u03bd \u03b4\u03b5 \u03c3\u03c5\u03bd\u03ad\u03b2\u03b1\u03b9\u03bd\u03b5 \u03ba\u03ac\u03c4\u03b9 \u03c4\u03ad\u03c4\u03bf\u03b9\u03bf, \u03b8\u03b1 \u03ad\u03bb\u03b5\u03b3\u03b1 \u03cc\u03c4\u03b9 \u03b7 \u03c0\u03b1\u03c1\u03b1\u03b4\u03bf\u03c3\u03b9\u03b1\u03ba\u03ae \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03c4\u03bf\u03c5 <\/p>\n

  <\/span>   <\/span>\"\[\pi\]\"<\/p>\n

\u03b8\u03b1 \u03ae\u03c4\u03b1\u03bd \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7.<\/p>\n

\u0392\u03b5\u03b2\u03b1\u03af\u03c9\u03c2, \u03b8\u03b1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03c3\u03b5 \u03ba\u03b1\u03bd\u03b5\u03af\u03c2 \u03bd\u03b1 \u03c0\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03c4\u03af\u03c0\u03bf\u03c4\u03b1 \u03b1\u03c0\u03cc \u03cc\u03bb\u03b1 \u03b1\u03c5\u03c4\u03ac \u03b4\u03b5 \u03c3\u03c5\u03bc\u03b2\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03ae \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03bf\u03c5\u03bd \u03c4\u03b1 \u03bc\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac, \u03b5\u03c0\u03b5\u03b9\u03b4\u03ae \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bc\u03b5 \u03bd\u03b1 \u03bf\u03c1\u03af\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b1 \u03c0\u03c1\u03ac\u03b3\u03bc\u03b1\u03c4\u03b1 \u03cc\u03c0\u03c9\u03c2 \u03b5\u03bc\u03b5\u03af\u03c2 \u03b5\u03c0\u03b9\u03b8\u03c5\u03bc\u03bf\u03cd\u03bc\u03b5. \u039a\u03b1\u03b9 \u03b1\u03c5\u03c4\u03cc \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c9\u03c3\u03c4\u03cc. \u0391\u03bb\u03bb\u03ac \u03b7 \u03b1\u03bd\u03b1\u03bb\u03bf\u03b3\u03af\u03b1 \u03bc\u03b5 \u03c4\u03bf <\/p>\n

  <\/span>   <\/span>\"\[e\]\"<\/p>\n

\u03c0\u03bf\u03c5 \u03b1\u03bd\u03b1\u03c6\u03ad\u03c1\u03b8\u03b7\u03ba\u03b5 \u03c0\u03b9\u03bf \u03c0\u03c1\u03b9\u03bd \u03ae \u03b7 \u03b9\u03b4\u03ad\u03b1 \u03bd\u03b1 \u03be\u03b1\u03bd\u03b1\u03bf\u03c1\u03af\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf \u03c3\u03cd\u03bc\u03b2\u03bf\u03bb\u03bf <\/p>\n

  <\/span>   <\/span>\"\[i\]\"<\/p>\n

\u03c9\u03c2 <\/p>\n

  <\/span>   <\/span>\"\[\frac{\sqrt{-1}}{2}\]\"<\/p>\n

, \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c4\u03bf \u03c0\u03b1\u03c1\u03ac\u03bb\u03bf\u03b3\u03bf \u03c4\u03bf\u03c5 <\/p>\n

  <\/span>   <\/span>\"\[\pi\]\"<\/p>\n

. \u039f\u03cd\u03c4\u03b5 \u03b1\u03c5\u03c4\u03ad\u03c2 \u03bf\u03b9 \u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2 \u03b8\u03b1 \u03ac\u03bb\u03bb\u03b1\u03b6\u03b1\u03bd \u03c4\u03b1 \u03bc\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac, \u03b1\u03bb\u03bb\u03ac \u03bf\u03cd\u03c4\u03b5 \u03ba\u03b1\u03b9 \u03ba\u03b1\u03bd\u03b5\u03af\u03c2 \u03b8\u03b1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03c3\u03b5 \u03bd\u03b1 \u03b1\u03c1\u03bd\u03b7\u03b8\u03b5\u03af \u03cc\u03c4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b1\u03c1\u03ac\u03bb\u03bf\u03b3\u03b5\u03c2.<\/p>\n

\u0395\u03ba\u03b5\u03af\u03bd\u03bf \u03c0\u03bf\u03c5 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5 \u03c3\u03c4\u03b5\u03bd\u03b1\u03c7\u03c9\u03c1\u03b5\u03af \u03b5\u03af\u03bd\u03b1\u03b9 \u03cc\u03c4\u03b9 \u03c4\u03bf \u03c0\u03c1\u03ce\u03c4\u03bf \u03c0\u03c1\u03ac\u03b3\u03bc\u03b1 \u03c0\u03bf\u03c5 \u03bc\u03b5\u03c4\u03b1\u03b4\u03af\u03b4\u03bf\u03c5\u03bc\u03b5 \u03c3\u03c4\u03bf\u03bd \u03ba\u03cc\u03c3\u03bc\u03bf \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b1\u03c0\u03bf\u03b4\u03b5\u03af\u03be\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd “\u03b5\u03c5\u03c6\u03c5\u0390\u03b1” \u03bc\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf 3,14…. \u0395\u03bb\u03ac\u03c7\u03b9\u03c3\u03c4\u03b1 \u03bc\u03b5 \u03b5\u03bd\u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03b5\u03b9 \u03c4\u03b9 \u03b8\u03b1 \u03ba\u03ac\u03bd\u03bf\u03c5\u03bd \u03b1\u03c5\u03c4\u03bf\u03af \u03c0\u03bf\u03c5 \u03c4\u03bf \u03c5\u03c0\u03bf\u03c3\u03c4\u03b7\u03c1\u03af\u03b6\u03bf\u03c5\u03bd \u03cc\u03c4\u03b1\u03bd \u03c3\u03c4\u03b1\u03bc\u03b1\u03c4\u03ae\u03c3\u03bf\u03c5\u03bd \u03bd\u03b1 \u03b3\u03b5\u03bb\u03bf\u03cd\u03bd \u03b3\u03b9\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03bc\u03b1\u03c4\u03b1, \u03b3\u03b9\u03b1 \u03c4\u03b1 \u03bf\u03c0\u03bf\u03af\u03b1 \u03c3\u03c0\u03ac\u03bd\u03b9\u03b1 \u03b1\u03bc\u03c6\u03b9\u03c3\u03b2\u03b7\u03c4\u03bf\u03cd\u03bd \u03c4\u03b7\u03bd \u03bf\u03c1\u03b8\u03bf\u03b4\u03bf\u03be\u03af\u03b1 \u03c4\u03bf\u03c5\u03c2. \u0394\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03bf\u03c5 \u03cc\u03c4\u03b9 \u03cc\u03bb\u03b1 \u03bc\u03b5\u03c4\u03b1\u03b4\u03af\u03b4\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03b4\u03c5\u03b1\u03b4\u03b9\u03ba\u03ae \u03bc\u03bf\u03c1\u03c6\u03ae (\u03c8\u03b7\u03c6\u03b9\u03b1\u03ba\u03ae), \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bc\u03b5 \u03bd\u03b1 \u03b5\u03bb\u03c0\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03cc\u03c4\u03b9 \u03b8\u03b1 \u03c0\u03b1\u03c1\u03b1\u03b2\u03bb\u03ad\u03c8\u03bf\u03c5\u03bd \u03ba\u03ac\u03c4\u03b9 \u03c0\u03bf\u03c5 \u03b5\u03bb\u03b1\u03c6\u03c1\u03ce\u03c2 \u03ad\u03c7\u03b5\u03b9 \u03b1\u03bb\u03bb\u03ac\u03be\u03b5\u03b9.<\/p>\n

\u039b\u03af\u03b3\u03b7 \u03b9\u03c3\u03c4\u03bf\u03c1\u03af\u03b1 (\u0395\u03be\u03b5\u03c0\u03bb\u03ac\u03b3\u03b7\u03bd, \u03cc\u03c0\u03c9\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03bf\u03bb\u03bb\u03bf\u03af \u03ac\u03bb\u03bb\u03bf\u03b9 \u03c0\u03bf\u03c5 \u03c4\u03bf\u03c5\u03c2 \u03c4\u03bf \u03b5\u03af\u03c0\u03b1, \u03cc\u03c4\u03b9 \u03c4\u03bf \u03c3\u03cd\u03bc\u03b2\u03bf\u03bb\u03bf <\/p>\n

  <\/span>   <\/span>\"\[\pi\]\"<\/p>\n

\u03b4\u03b5\u03bd \u03c4\u03bf \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03c3\u03b1\u03bd \u03bf\u03b9 \u03b1\u03c1\u03c7\u03b1\u03af\u03bf\u03b9 \u0388\u03bb\u03bb\u03b7\u03bd\u03b5\u03c2): \u03a4\u03bf 1647 o \u03bc\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc\u03c2 Oughtred \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b5 \u03c4\u03bf \u03c3\u03cd\u03bc\u03b2\u03bf\u03bb\u03bf <\/p>\n

  <\/span>   <\/span>\"\[\frac{\pi}{\delta}\]\"<\/p>\n

\u03b3\u03b9\u03b1 \u03c4\u03bf \u03bb\u03cc\u03b3\u03bf \u03c4\u03b7\u03c2 \u03c0\u03b5\u03c1\u03b9\u03c6\u03ad\u03c1\u03b5\u03b9\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03ba\u03cd\u03ba\u03bb\u03bf\u03c5 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b7 \u03b4\u03b9\u03ac\u03bc\u03b5\u03c4\u03c1\u03bf. \u039f David Gregory (1697) \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7\u03b5 \u03c4\u03bf <\/p>\n

  <\/span>   <\/span>\"\[\frac{\pi}{\delta}\]\"<\/p>\n

\u03b3\u03b9\u03b1 \u03c4\u03bf \u03bb\u03cc\u03b3\u03bf \u03c4\u03b7\u03c2 \u03c0\u03b5\u03c1\u03b9\u03c6\u03ad\u03c1\u03b5\u03b9\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03ba\u03cd\u03ba\u03bb\u03bf\u03c5 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b7\u03bd \u03b1\u03ba\u03c4\u03af\u03bd\u03b1. \u0397 \u03c0\u03c1\u03ce\u03c4\u03b7 \u03c7\u03c1\u03ae\u03c3\u03b7 \u03c4\u03bf\u03c5 <\/p>\n

  <\/span>   <\/span>\"\[\pi\]\"<\/p>\n

, \u03cc\u03c0\u03c9\u03c2 \u03c4\u03b7 \u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c3\u03ae\u03bc\u03b5\u03c1\u03b1, \u03b5\u03b3\u03b9\u03bd\u03b5 \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u039f\u03c5\u03b1\u03bb\u03cc \u03bc\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc William Jones \u03c4\u03bf 1706 \u03cc\u03c4\u03b1\u03bd \u03ad\u03b8\u03b5\u03c3\u03b5 <\/p>\n

  <\/span>   <\/span>\"\[3,14159...=\pi\]\"<\/p>\n

. \u039f Euler, \u03c0\u03bf\u03c5 \u03bc\u03ad\u03c7\u03c1\u03b9 \u03c4\u03cc\u03c4\u03b5 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03c3\u03b5 \u03c4\u03b1 \u03b3\u03c1\u03ac\u03bc\u03bc\u03b1\u03c4\u03b1 p \u03ba\u03b1\u03b9 c, \u03c5\u03b9\u03bf\u03b8\u03ad\u03c4\u03b7\u03c3\u03b5 \u03c4\u03bf \u03c3\u03cd\u03bc\u03b2\u03bf\u03bb\u03bf \u03c4\u03bf 1737 \u03ba\u03b1\u03b9 \u03bf\u03b4\u03ae\u03b3\u03b7\u03c3\u03b5 \u03c3\u03b5 \u03c0\u03b1\u03b3\u03ba\u03cc\u03c3\u03bc\u03b9\u03b1 \u03b1\u03c0\u03bf\u03b4\u03bf\u03c7\u03ae. \u039c\u03cc\u03bd\u03bf \u03b5\u03ac\u03bd \u03b1\u03c5\u03c4\u03cc\u03c2 \u03ae \u03bf Jones \u03b5\u03af\u03c7\u03b1\u03bd \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ae\u03c3\u03b5\u03b9 \u03c4\u03bf <\/p>\n

  <\/span>   <\/span>\"\[\rho\]\"<\/p>\n

\u03c4\u03bf\u03c5 Gregory \u03c3\u03b5 1 \u03b1\u03bd\u03c4\u03af \u03c3\u03b5 <\/p>\n

  <\/span>   <\/span>\"\[\delta\]\"<\/p>\n

\u03c4\u03bf\u03c5 Oughtred, \u03bf\u03b9 \u03c4\u03cd\u03c0\u03bf\u03b9 \u03bc\u03b1\u03c2 \u03c3\u03ae\u03bc\u03b5\u03c1\u03b1 \u03b8\u03b1 \u03ae\u03c4\u03b1\u03bd \u03c0\u03b9\u03bf \u03ba\u03bf\u03bc\u03c8\u03bf\u03af \u03ba\u03b1\u03b9 \u03ba\u03b1\u03b8\u03b1\u03c1\u03bf\u03af.<\/p>\n

 <\/p>\n

\u039c\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03bf\u03af \u03c4\u03cd\u03c0\u03bf\u03b9 \u03bc\u03b5 \u03c4\u03b7 \u03c7\u03c1\u03ae\u03c3\u03b7 \u03c4\u03bf\u03c5 <\/p>\n

  <\/span>   <\/span>\"\[\tau\]\"<\/p>\n

<\/span><\/strong><\/p>\n

  <\/span>   <\/span>\"\[1\tau=2\pi=6,283...\]\"<\/p>\n

\u0388\u03c4\u03c3\u03b9 \u03b1\u03bd\u03c4\u03af \u03b3\u03b9\u03b1 \u03c4\u03b9\u03c2 <\/p>\n

  <\/span>   <\/span>\"\[90^0\]\"<\/p>\n

, \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03bf\u03c1\u03b8\u03ae \u03b3\u03c9\u03bd\u03af\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 \u03b5\u03bd\u03cc\u03c2 \u03c4\u03b5\u03c4\u03ac\u03c1\u03c4\u03bf\u03c5 \u03c4\u03b7\u03c2 \u03bc\u03af\u03b1\u03c2 \u03ce\u03c1\u03b1\u03c2 \u03c0\u03bf\u03c5 \u03ae\u03c4\u03b1\u03bd <\/p>\n

  <\/span>   <\/span>\"\[\frac{\pi}{2}\]\"<\/p>\n

, \u03c4\u03ce\u03c1\u03b1 \u03b3\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 <\/p>\n

  <\/span>   <\/span>\"\[\frac{\tau}{4}\]\"<\/p>\n

, \u03c0\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03c6\u03c5\u03c3\u03b9\u03ba\u03cc\u03c4\u03b5\u03c1\u03bf.<\/p>\n

\u0399\u03b4\u03bf\u03cd \u03ba\u03b1\u03b9 \u03bc\u03b5\u03c1\u03b9\u03ba\u03ad\u03c2 \u03ac\u03bb\u03bb\u03b5\u03c2 \u03b1\u03c0\u03bb\u03bf\u03c5\u03c3\u03c4\u03b5\u03cd\u03c3\u03b5\u03b9\u03c2:<\/p>\n

  <\/span>   <\/span>\"\[cos(x+\tau)=cos(x) \quad sin(x+\tau)=sin(x) \quad \quad\]\"<\/p>\n

\u03c0\u03b5\u03c1\u03af\u03bf\u03b4\u03bf\u03b9 \u03c4\u03bf\u03c5 \u03c3\u03c5\u03bd \u03ba\u03b1\u03b9 \u03b7\u03bc.<\/p>\n

  <\/span>   <\/span>\"\[e^{i\tau}=1\]\"<\/p>\n

\u00a0 \u00a0\u00a0\u00a0\u00a0 \u03a4\u03cd\u03c0\u03bf\u03c2 \u03c4\u03bf\u03c5 Euler<\/p>\n

  <\/span>   <\/span>\"\[n! \sim \sqrt{\tau n}n^ne^{-n}\]\"<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u03a4\u03cd\u03c0\u03bf\u03c2 \u03c4\u03bf\u03c5 Stirling<\/p>\n

  <\/span>   <\/span>\"\[A=\frac{1}{2}\tau r^2\]\"<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u0395\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1\u03c2 (\"A=\frac{1}{2}mv^2\", \"A=\frac{1}{2}gt^2\")<\/p>\n

  <\/span>   <\/span>\"\[\hbar=\frac{h}{\tau}\]\"<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u03a3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ac \u03c4\u03bf\u03c5 Dirac<\/p>\n

  <\/span>   <\/span>\"\[T=\frac{\tau}{\omega}\]\"<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u039a\u03c5\u03ba\u03bb\u03b9\u03ba\u03ae \u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1<\/p>\n

  <\/span>   <\/span>\"\[c_n=\frac{1}{\tau}\int^ \tau_0 f(x)e^{inx}dx\]\"<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0 \u03a3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ad\u03c2 Fourier<\/p>\n

  <\/span>   <\/span>\"\[f(a)=\frac{1}{i\tau}\int_C\frac{f(z)}{z-a}dz\]\"<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u03a4\u03cd\u03c0\u03bf\u03c2 \u03c4\u03bf\u03c5 Cauchy<\/p>\n

  <\/span>   <\/span>\"\[\frac{1}{\sqrt{\tau}}\int^{\infty}_{-\infty}e^{-\frac{1}{2}x^2}dx=1\]\"<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u039a\u03b1\u03c4\u03b1\u03bd\u03bf\u03bc\u03ae Gauss<\/p>\n

  <\/span>   <\/span>\"\[e^{\frac{j \tau i}{N}}, \quad j=0,...,n-1\]\"<\/p>\n

\u00a0\u00a0\u00a0\u00a0 \u039d\u03b9\u03bf\u03c3\u03c4\u03ad\u03c2 \u03c1\u03af\u03b6\u03b5\u03c2 \u03c4\u03b7\u03c2 \u03bc\u03bf\u03bd\u03ac\u03b4\u03b1\u03c2.<\/p>\n

 <\/p>\n

\u0393\u03b9\u03ac\u03bd\u03bd\u03b7\u03c2 \u0393\u03b1\u03ca\u03c3\u03af\u03b4\u03b7\u03c2<\/p>\n

gaisidis@viewonphysics.gr<\/a><\/p>\n

\"img_1494\"<\/a> <\/span><\/p>\n

\u039a\u03c1\u03ac\u03c4\u03b1 \u03c4\u03bf<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

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