{"id":5751,"date":"2025-07-15T13:34:45","date_gmt":"2025-07-15T13:34:45","guid":{"rendered":"https:\/\/functiontranslator.com\/pi\/"},"modified":"2021-02-26T10:01:37","modified_gmt":"2021-02-26T10:01:37","slug":"pi","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/cs\/pi\/","title":{"rendered":"PI"},"content":{"rendered":"

\u00davod do funkce pro v\u00fdpo\u010det hodnoty \u03c0<\/h2>\n

Funkce, kter\u00e1 vrac\u00ed hodnotu matematick\u00e9 konstanty \u03c0 (pi), je z\u00e1kladn\u00edm stavebn\u00edm kamenem v mnoha matematick\u00fdch a in\u017een\u00fdrsk\u00fdch aplikac\u00edch. Tato konstanta je definov\u00e1na jako pom\u011br obvodu kruhu k jeho pr\u016fm\u011bru a je p\u0159ibli\u017en\u011b rovna 3.14159. V Excelu i Google Sheets lze tuto hodnotu z\u00edskat pomoc\u00ed jednoduch\u00e9 funkce, kter\u00e1 nevy\u017eaduje \u017e\u00e1dn\u00e9 parametry.<\/p>\n

Syntaxe funkce<\/h2>\n

Funkce je ve sv\u00e9 podstat\u011b velmi prost\u00e1 a nevy\u017eaduje \u017e\u00e1dn\u00e9 vstupn\u00ed argumenty. Syntaxe funkce vypad\u00e1 n\u00e1sledovn\u011b: <\/p>\n

  =PI() <\/code> <\/pre>\n
 Po zad\u00e1n\u00ed t\u00e9to funkce do bu\u0148ky tabulkov\u00e9ho kalkul\u00e1toru, bude automaticky zobrazena hodnota \u03c0.<\/p>\n
P\u0159\u00edklady vyu\u017eit\u00ed<\/h2>\n
 D\u00edky sv\u00e9 univerz\u00e1lnosti najde tato funkce uplatn\u011bn\u00ed v mnoha r\u016fzn\u00fdch oblastech. N\u00ed\u017ee jsou uvedeny dv\u011b praktick\u00e9 \u00falohy, kter\u00e9 demonstruj\u00ed, jak m\u016f\u017ee b\u00fdt funkce vyu\u017eita pro matematick\u00e9 v\u00fdpo\u010dty.<\/p>\n
\u00daloha 1: V\u00fdpo\u010det obvodu a obsahu kruhu<\/h2>\n
 M\u00e1me kruh s polom\u011brem 5 cm. Pro v\u00fdpo\u010det obvodu a obsahu kruhu m\u016f\u017eeme pou\u017e\u00edt n\u00e1sleduj\u00edc\u00ed formule, kde R je polom\u011br kruhu:<\/p>\n
    \n
  • Obvod kruhu (O): O = 2 * \u03c0 * R<\/li>\n
  • Obsah kruhu (S): S = \u03c0 * R^2<\/li>\n<\/ul>\n
    V Excelu nebo Google Sheets m\u016f\u017eete tyto formule zapsat takto:<\/p>\n
      Obvod = 2 * PI() * 5 Obsah = PI() * 5^2 <\/code> <\/pre>\n
     T\u00edmto zp\u016fsobem z\u00edsk\u00e1te obvod kruhu 31.4159 cm a obsah p\u0159ibli\u017en\u011b 78.5398 cm\u00b2.<\/p>\n
    \u00daloha 2: V\u00fdpo\u010det objemu v\u00e1lce<\/h2>\n
     Pokud m\u00e1me v\u00e1lec s polom\u011brem z\u00e1kladny 3 cm a v\u00fd\u0161kou 10 cm, objem v\u00e1lce V m\u016f\u017eeme spo\u010d\u00edtat takto:<\/p>\n
     Objem v\u00e1lce (V): V = \u03c0 * R^2 * v\u00fd\u0161ka <\/p>\n
    V Excelu nebo Google Sheets m\u016f\u017eete pou\u017e\u00edt n\u00e1sleduj\u00edc\u00ed formuli:<\/p>\n
      Objem = PI() * 3^2 * 10 <\/code> <\/pre>\n
     V\u00fdsledn\u00fd objem bude 282.7433 cm\u00b3.<\/p>\n
    Z\u00e1v\u011br<\/h2>\n
     Funkce pro v\u00fdpo\u010det hodnoty \u03c0 je velmi u\u017eite\u010dn\u00fdm n\u00e1strojem pro \u0159e\u0161en\u00ed r\u016fzn\u00fdch geometrick\u00fdch a matematick\u00fdch probl\u00e9m\u016f. P\u0159esto\u017ee je na prvn\u00ed pohled jednoduch\u00e1, jej\u00ed praktick\u00e9 aplikace jsou \u0161irok\u00e9 a rozmanit\u00e9.<\/p>\n","protected":false},"excerpt":{"rendered":"
    Vr\u00e1t\u00ed hodnotu \u010d\u00edsla p\u00ed<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[282],"tags":[],"class_list":["post-5751","post","type-post","status-publish","format-standard","hentry","category-matematicke-a-trigonometricke"],"acf":[],"yoast_head":"\nFunkce PI v Excelu: jak funguje, primjeri kori\u0161tenja formule<\/title>\n<meta name=\"description\" content=\"Opis funkcije PI u Excelu i Google tablicama. 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