{"id":10296,"date":"2025-07-15T13:34:50","date_gmt":"2025-07-15T13:34:50","guid":{"rendered":"https:\/\/functiontranslator.com\/znak\/"},"modified":"2021-02-26T05:04:30","modified_gmt":"2021-02-26T05:04:30","slug":"char","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/pl\/char\/","title":{"rendered":"ZNAK"},"content":{"rendered":"<h2>Wprowadzenie do funkcji<\/h2>\n<p>Funkcja CHAR, znana w polskiej wersji j\u0119zykowej jako ZNAK, jest u\u017cywana w Microsoft Excel i Google Sheets do zwracania znaku odpowiadaj\u0105cego podanemu kodowi liczbowemu z tabeli ASCII. Umo\u017cliwia to efektywne manipulowanie i analizowanie danych tekstowych.<\/p>\n<h2>Syntaktyka i przyk\u0142ady u\u017cycia<\/h2>\n<p>Syntaktyka funkcji ZNAK jest bardzo prosta:<\/p>\n<pre><code>ZNAK(numer)<\/code><\/pre>\n<p>Tutaj <code>numer<\/code> to liczba ca\u0142kowita reprezentuj\u0105ca kod ASCII znaku, kt\u00f3ry chcemy uzyska\u0107. Dopuszczalny zakres warto\u015bci wynosi od 1 do 255.<\/p>\n<p>Przyk\u0142ady u\u017cycia:<\/p>\n<ul>\n<li><code>=ZNAK(65)<\/code> zwr\u00f3ci <code>A<\/code>, poniewa\u017c 65 to kod ASCII dla wielkiej litery A.<\/li>\n<li><code>=ZNAK(97)<\/code> zwr\u00f3ci <code>a<\/code>, poniewa\u017c 97 to kod ASCII dla ma\u0142ej litery a.<\/li>\n<li><code>=ZNAK(33)<\/code> zwr\u00f3ci <code>!<\/code>, poniewa\u017c 33 to kod ASCII dla znaku wykrzyknika.<\/li>\n<\/ul>\n<h2>Zastosowanie w praktycznych zadaniach<\/h2>\n<p>Oto dwa przyk\u0142ady praktycznych zastosowa\u0144 funkcji ZNAK w Excelu i Arkuszach Google.<\/p>\n<h2>Praktyczne zastosowanie nr 1: Generowanie listy hase\u0142<\/h2>\n<p>Za\u0142\u00f3\u017cmy, \u017ce potrzebujemy wygenerowa\u0107 serie prostych hase\u0142 sk\u0142adaj\u0105cych si\u0119 z losowych liter. Funkcj\u0119 ZNAK mo\u017cemy wykorzysta\u0107 w po\u0142\u0105czeniu z funkcj\u0105 LOSUJ.POMI\u0118DZY() aby stworzy\u0107 takie has\u0142a.<\/p>\n<pre><code>=ZNAK(LOSUJ.POMI\u0118DZY(65, 90)) & ZNAK(LOSUJ.POMI\u0118DZY(97, 122)) & ZNAK(LOSUJ.POMI\u0118DZY(65, 90)) & ZNAK(LOSUJ.POMI\u0118DZY(97, 122))<\/code><\/pre>\n<p>W powy\u017cszym przyk\u0142adzie ka\u017cde wywo\u0142anie funkcji ZNAK zwraca losow\u0105 liter\u0119; kolejno z wielkich liter (kody ASCII 65 do 90) i ma\u0142ych liter (kody ASCII 97 do 122), co skutkuje stworzeniem 4-literowego has\u0142a.<\/p>\n<h2>Praktyczne zastosowanie nr 2: Dekodowanie wiadomo\u015bci<\/h2>\n<p>Za\u0142\u00f3\u017cmy, \u017ce mamy seri\u0119 kod\u00f3w ASCII, kt\u00f3re reprezentuj\u0105 tekst, kt\u00f3ry chcemy odszyfrowa\u0107. U\u017cywaj\u0105c funkcji ZNAK, mo\u017cemy przekszta\u0142ci\u0107 te kody z powrotem na czytelny tekst.<\/p>\n<table>\n<tr>\n<th>Kod ASCII<\/th>\n<th>Znak<\/th>\n<\/tr>\n<tr>\n<td>72<\/td>\n<td>=ZNAK(72)<\/td>\n<\/tr>\n<tr>\n<td>101<\/td>\n<td>=ZNAK(101)<\/td>\n<\/tr>\n<tr>\n<td>108<\/td>\n<td>=ZNAK(108)<\/td>\n<\/tr>\n<tr>\n<td>108<\/td>\n<td>=ZNAK(108)<\/td>\n<\/tr>\n<tr>\n<td>111<\/td>\n<td>=ZNAK(111)<\/td>\n<\/tr>\n<\/table>\n<p>Powy\u017csza tabela ilustruje spos\u00f3b dekodowania serii kod\u00f3w ASCII, aby otrzyma\u0107 s\u0142owo &#8222;Hello&#8221;. Ka\u017cda kom\u00f3rka w kolumnie &#8222;Znak&#8221; zawiera formu\u0142\u0119 konwertuj\u0105c\u0105 kod ASCII na odpowiadaj\u0105cy mu znak.<\/p>\n<p>Funkcja ZNAK mo\u017ce by\u0107 pomocna w pracy z danymi tekstowymi i tworzeniu r\u00f3\u017cnorodnych mechanizm\u00f3w kryptograficznych czy filtr\u00f3w tekstu.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Zwraca znak o podanym numerze kodu<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[427],"tags":[],"class_list":["post-10296","post","type-post","status-publish","format-standard","hentry","category-tekstowe"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Funkcja CHAR (ZNAK) w Excelu \u2013 jak dzia\u0142a, przyk\u0142ady u\u017cycia i sk\u0142adnia<\/title>\n<meta name=\"description\" content=\"Opis funkcji CHAR (ZNAK) w Excelu. 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