{"id":464,"date":"2026-07-02T04:13:10","date_gmt":"2026-07-02T02:13:10","guid":{"rendered":"https:\/\/xn--szmolgp-iwa0f0e.hu\/tudomanyos-szamologep-hasznalata-kezdoknek\/"},"modified":"2026-07-02T04:13:10","modified_gmt":"2026-07-02T02:13:10","slug":"pouziti-vedecke-kalkulacky-pro-zacatecniky","status":"publish","type":"post","link":"https:\/\/xn--szmolgp-iwa0f0e.hu\/cs\/tudomanyos-szamologep-hasznalata-kezdoknek\/","title":{"rendered":"Pou\u017eit\u00ed v\u011bdeck\u00e9 kalkula\u010dky pro za\u010d\u00e1te\u010dn\u00edky \u2013 pr\u016fvodce krok za krokem"},"content":{"rendered":"<p>Pokud jsi si pr\u00e1v\u011b koupil v\u011bdeckou kalkula\u010dku, nebo jsi ji dostal ve \u0161kole, a je pln\u00e1 tla\u010d\u00edtek, z nich\u017e polovinu nezn\u00e1\u0161 \u2014 neboj se. Tento pr\u016fvodce je ur\u010den p\u0159esn\u011b pro tebe. Projdeme si v\u0161e, co by m\u011bl za\u010d\u00ednaj\u00edc\u00ed student zn\u00e1t: od z\u00e1klad\u016f p\u0159es trigonometrii a\u017e po \u0159e\u0161en\u00ed rovnic. Jako z\u00e1klad pou\u017eijeme \u0159adu Casio FX-991, proto\u017ee je nej\u010dast\u011bj\u0161\u00ed na \u010desk\u00fdch st\u0159edn\u00edch \u0161kol\u00e1ch, ale v\u011bt\u0161ina funkc\u00ed funguje podobn\u011b i u jin\u00fdch zna\u010dek.<\/p>\n<p><strong>Tip:<\/strong> Pokud nem\u00e1\u0161 po ruce fyzickou kalkula\u010dku, <a href=\"\/cs\/vedecka-kalkulacka-trigonometricke-a-specialni-funkce\/\">vyzkou\u0161ej si online na\u0161i v\u011bdeckou kalkula\u010dku<\/a> \u2014 se stejn\u00fdmi funkcemi, p\u0159\u00edmo z prohl\u00ed\u017ee\u010de.<\/p>\n<h2 class=\"wp-block-heading\">Co je to v\u011bdeck\u00e1 kalkula\u010dka a \u010d\u00edm se li\u0161\u00ed?<\/h2>\n<p>V\u011bdeck\u00e1 kalkula\u010dka (scientifik kalkula\u010dka) se od b\u011b\u017en\u00e9 \u0161koln\u00ed kalkula\u010dky li\u0161\u00ed t\u00edm, \u017ee krom\u011b z\u00e1kladn\u00edch operac\u00ed (s\u010d\u00edt\u00e1n\u00ed, od\u010d\u00edt\u00e1n\u00ed, n\u00e1soben\u00ed, d\u011blen\u00ed) disponuje tak\u00e9 trigonometrick\u00fdmi, logaritmick\u00fdmi, statistick\u00fdmi a rovnicov\u00fdmi funkcemi.<\/p>\n<p><strong>Pro koho se vyplat\u00ed ji pou\u017e\u00edvat?<\/strong><\/p>\n<ul>\n<li>Pro st\u0159edo\u0161kol\u00e1ky \u2014 na hodiny matematiky, fyziky, chemie a k maturit\u011b<\/li>\n<li>Pro vysoko\u0161kol\u00e1ky \u2014 na technick\u00fdch, ekonomick\u00fdch a informatick\u00fdch oborech<\/li>\n<li>Pro dosp\u011bl\u00e9 studenty \u2014 ve\u010dern\u00ed \u0161kola, online kurzy, sebevzd\u011bl\u00e1v\u00e1n\u00ed<\/li>\n<\/ul>\n<p>Casio FX-991CE X je na \u010desk\u00fdch \u0161kol\u00e1ch tak popul\u00e1rn\u00ed, proto\u017ee je spolehliv\u00e1, obsahuje v\u0161echny pot\u0159ebn\u00e9 funkce a lze ji pou\u017e\u00edt i u maturity.<\/p>\n<h2 class=\"wp-block-heading\">Seznam se se svou kalkula\u010dkou<\/h2>\n<p>Prvn\u00edm krokem je v\u011bd\u011bt, co kter\u00e9 tla\u010d\u00edtko d\u011bl\u00e1. Zde jsou ty nejd\u016fle\u017eit\u011bj\u0161\u00ed:<\/p>\n<ul>\n<li><strong>ON \/ AC<\/strong> \u2014 Zapnut\u00ed a vymaz\u00e1n\u00ed obsahu displeje<\/li>\n<li><strong>SHIFT<\/strong> \u2014 P\u0159\u00edstup k sekund\u00e1rn\u00edm funkc\u00edm (\u017elut\u00e9 popisky nad tla\u010d\u00edtky)<\/li>\n<li><strong>ALPHA<\/strong> \u2014 Terci\u00e1rn\u00ed funkce (\u010derven\u00e9 popisky), nap\u0159\u00edklad pam\u011b\u0165ov\u00e9 prom\u011bnn\u00e9<\/li>\n<li><strong>MODE<\/strong> \u2014 P\u0159ep\u00edn\u00e1n\u00ed re\u017eim\u016f (DEG\/RAD, EQN, STAT, TABLE atd.)<\/li>\n<li><strong>S\u2194D<\/strong> \u2014 P\u0159ep\u00edn\u00e1n\u00ed mezi zlomkem a desetinn\u00fdm \u010d\u00edslem<\/li>\n<\/ul>\n<p><strong>Jak p\u0159epnout re\u017eim?<\/strong> Stiskni tla\u010d\u00edtko MODE a pot\u00e9 vyber \u010d\u00edslo po\u017eadovan\u00e9ho re\u017eimu. Nap\u0159\u00edklad v re\u017eimu DEG (stupn\u011b) pracuje\u0161 s trigonometri\u00ed, zat\u00edmco v re\u017eimu EQN m\u016f\u017ee\u0161 \u0159e\u0161it rovnice.<\/p>\n<h2 class=\"wp-block-heading\">Z\u00e1kladn\u00ed operace a zlomky<\/h2>\n<p>V\u011bdeck\u00e1 kalkula\u010dka automaticky dodr\u017euje po\u0159ad\u00ed operac\u00ed (z\u00e1vorky \u2192 mocniny \u2192 n\u00e1soben\u00ed\/d\u011blen\u00ed \u2192 s\u010d\u00edt\u00e1n\u00ed\/od\u010d\u00edt\u00e1n\u00ed). To znamen\u00e1, \u017ee kdy\u017e zad\u00e1\u0161 v\u00fdraz 3 + 4 \u00d7 2, v\u00fdsledek bude 11, ne 14. Pokud chce\u0161 jin\u00e9 po\u0159ad\u00ed, <strong>pou\u017eij z\u00e1vorky<\/strong>.<\/p>\n<p><strong>Zad\u00e1v\u00e1n\u00ed zlomk\u016f:<\/strong> Pomoc\u00ed tla\u010d\u00edtka a b\/c m\u016f\u017ee\u0161 zad\u00e1vat zlomky. Nap\u0159\u00edklad: 2 a b\/c 3 = \u00b2\u2044\u2083. Pokud chce\u0161 p\u0159epnout na desetinn\u00e9 \u010d\u00edslo, stiskni <strong>S\u2194D<\/strong> tla\u010d\u00edtko.<\/p>\n<p><strong>Souvisej\u00edc\u00ed:<\/strong> Pokud po\u010d\u00edt\u00e1\u0161 s procenty, pod\u00edvej se na <a href=\"\/cs\/procentualni-kalkulacka-procentni-vypocty-a-prevody\/\">na\u0161i kalkula\u010dku procent<\/a> tak\u00e9.<\/p>\n<h2 class=\"wp-block-heading\">Mocniny, odmocniny a trigonometrie<\/h2>\n<p><strong>Mocn\u011bn\u00ed a odmoc\u0148ov\u00e1n\u00ed:<\/strong><\/p>\n<ul>\n<li><code>x\u00b2<\/code> \u2014 umocn\u011bn\u00ed na druhou (nap\u0159. 5\u00b2 = 25)<\/li>\n<li><code>\u221a<\/code> \u2014 druh\u00e1 odmocnina (nap\u0159. \u221a25 = 5)<\/li>\n<li><code>x^y<\/code> \u2014 libovoln\u00e1 mocnina (nap\u0159. 2^5 = 32)<\/li>\n<li><code>SHIFT + \u221a<\/code> (x\u221a) \u2014 libovoln\u00e1 odmocnina<\/li>\n<\/ul>\n<p><strong>Logaritmy:<\/strong><\/p>\n<ul>\n<li><code>log<\/code> \u2014 dekadick\u00fd logaritmus (o z\u00e1kladu 10)<\/li>\n<li><code>ln<\/code> \u2014 p\u0159irozen\u00fd logaritmus (o z\u00e1kladu e)<\/li>\n<\/ul>\n<p><strong>Souvisej\u00edc\u00ed:<\/strong> Pou\u017eijte <a href=\"\/cs\/logaritmus-kalkulator-logaritmus-szamitasok-es-exponencialis-fuggvenyek\/\">na\u0161i logaritmickou kalkula\u010dku<\/a> pro procvi\u010dov\u00e1n\u00ed.<\/p>\n<p><strong>Trigonometrie (sin, cos, tan):<\/strong> Nejd\u016fle\u017eit\u011bj\u0161\u00ed, co pot\u0159ebujete v\u011bd\u011bt: <strong>v\u017edy zkontrolujte, zda jste v re\u017eimu DEG nebo RAD!<\/strong><\/p>\n<ul>\n<li><strong>DEG<\/strong> (stupn\u011b) \u2014 pou\u017eijte to pro st\u0159edo\u0161kolskou matematiku a maturitu<\/li>\n<li><strong>RAD<\/strong> (radi\u00e1ny) \u2014 pro pokro\u010dilej\u0161\u00ed matematiku a fyziku<\/li>\n<\/ul>\n<p>Pokud po\u010d\u00edt\u00e1te sin(30) v re\u017eimu DEG, v\u00fdsledek je p\u0159esn\u011b 0,5. Pokud jste v re\u017eimu RAD, dostanete \u00fapln\u011b jin\u00e9 \u010d\u00edslo.<\/p>\n<p><strong>Inverzn\u00ed funkce:<\/strong> SHIFT + sin = sin\u207b\u00b9, SHIFT + cos = cos\u207b\u00b9, SHIFT + tan = tan\u207b\u00b9.<\/p>\n<p><strong>Vyzkou\u0161ejte to \u017eiv\u011b:<\/strong> A <a href=\"\/cs\/vedecka-kalkulacka-trigonometricke-a-specialni-funkce\/\">na\u0161e v\u011bdeck\u00e1 kalkula\u010dka<\/a> v\u00e1m pom\u016f\u017ee procvi\u010dit trigonometrick\u00e9 v\u00fdpo\u010dty.<\/p>\n<h2 class=\"wp-block-heading\">\u0158e\u0161en\u00ed rovnic (re\u017eim EQN)<\/h2>\n<p>Jedna z neju\u017eite\u010dn\u011bj\u0161\u00edch funkc\u00ed p\u0159ed maturitou:<\/p>\n<ol>\n<li>Stiskn\u011bte <strong>MODE<\/strong> tla\u010d\u00edtko<\/li>\n<li>Vyberte <strong>EQN<\/strong> re\u017eim<\/li>\n<li>Zadejte typ rovnice (nap\u0159. kvadratickou: ax\u00b2 + bx + c = 0)<\/li>\n<li>Zadejte koeficienty (a, b, c)<\/li>\n<li>Kalkula\u010dka vyp\u00ed\u0161e \u0159e\u0161en\u00ed (x\u2081 a x\u2082)<\/li>\n<\/ol>\n<p><strong>P\u0159\u00edklad:<\/strong> x\u00b2 \u2212 5x + 6 = 0 \u2014 a = 1, b = \u22125, c = 6 \u2014 V\u00fdsledek: x\u2081 = 3, x\u2082 = 2<\/p>\n<p>Stejn\u011b tak m\u016f\u017eete \u0159e\u0161it line\u00e1rn\u00ed soustavy rovnic se dv\u011bma nebo t\u0159emi nezn\u00e1m\u00fdmi.<\/p>\n<h2 class=\"wp-block-heading\">5 \u010dast\u00fdch chyb, kter\u00fdch se dopou\u0161t\u00ed ka\u017ed\u00fd za\u010d\u00e1te\u010dn\u00edk<\/h2>\n<ol>\n<li><strong>Ignorov\u00e1n\u00ed po\u0159ad\u00ed operac\u00ed<\/strong> \u2014 Pokud zad\u00e1te v\u00fdraz 3 + 4 \u00d7 2 bez z\u00e1vorek, p\u0159\u00edstroj po\u010d\u00edt\u00e1 podle matematick\u00fdch pravidel.<\/li>\n<li><strong>Z\u00e1m\u011bna re\u017eimu stup\u0148\u016f\/radi\u00e1n\u016f<\/strong> \u2014 V\u017edy se pod\u00edvejte na horn\u00ed \u010d\u00e1st displeje, zda je nastaveno DEG nebo RAD.<\/li>\n<li><strong>Zapomenut\u00ed provozn\u00edho re\u017eimu<\/strong> \u2014 Pokud chcete po\u010d\u00edtat statistiku, nezkou\u0161ejte to v norm\u00e1ln\u00edm re\u017eimu. P\u0159epn\u011bte do re\u017eimu STAT.<\/li>\n<li><strong>\u0160patn\u00e9 zad\u00e1v\u00e1n\u00ed z\u00e1porn\u00fdch \u010d\u00edsel<\/strong> \u2014 Tla\u010d\u00edtko (\u2212) (znam\u00e9nko m\u00ednus) nen\u00ed tot\u00e9\u017e co tla\u010d\u00edtko od\u010d\u00edt\u00e1n\u00ed (\u2212).<\/li>\n<li><strong>Nevy\u010di\u0161t\u011bn\u00ed pam\u011bti p\u0159ed maturitou<\/strong> \u2014 Stiskn\u011bte: SHIFT \u2192 9 \u2192 3 \u2192 =.<\/li>\n<\/ol>\n<h2 class=\"wp-block-heading\">\u010cast\u00e9 dotazy (FAQ)<\/h2>\n<p><strong>Jak zapnu v\u011bdeckou kalkula\u010dku?<\/strong> Stiskn\u011bte tla\u010d\u00edtko ON nebo AC.<\/p>\n<p><strong>Pro\u010d dost\u00e1v\u00e1m \u0161patn\u00fd v\u00fdsledek p\u0159i v\u00fdpo\u010dtu sin\/cos?<\/strong> Pravd\u011bpodobn\u011b jste v re\u017eimu RAD m\u00edsto DEG.<\/p>\n<p><strong>Mohu pou\u017e\u00edt Casio FX-991 u maturity?<\/strong> Ano, \u0159ada Casio FX-991 je povolena u ma\u010farsk\u00fdch maturitn\u00edch zkou\u0161ek.<\/p>\n<p><strong>Jak\u00fd je rozd\u00edl mezi v\u011bdeckou kalkula\u010dkou a oby\u010dejnou kalkula\u010dkou?<\/strong> V\u011bdeck\u00e1 kalkula\u010dka um\u00ed tak\u00e9 trigonometrick\u00e9, logaritmick\u00e9 a statistick\u00e9 funkce.<\/p>\n<p><strong>Jak vypo\u010d\u00edt\u00e1m kvadratickou rovnici pomoc\u00ed kalkula\u010dky?<\/strong> P\u0159epn\u011bte do re\u017eimu EQN (MODE \u2192 EQN), vyberte mo\u017enost kvadratick\u00e9 rovnice.<\/p>\n<p><strong>Pro\u010d je d\u016fle\u017eit\u00e9 po\u0159ad\u00ed operac\u00ed?<\/strong> Proto\u017ee kalkula\u010dka automaticky dodr\u017euje matematick\u00e1 pravidla.<\/p>\n<h2 class=\"wp-block-heading\">Shrnut\u00ed \u2014 3 kroky, jak se st\u00e1t prof\u00edkem<\/h2>\n<ol>\n<li><strong>Poznej svou kalkula\u010dku<\/strong> \u2014 V\u011bz, kde jsou tla\u010d\u00edtka SHIFT, MODE, S\u2194D a (\u2212).<\/li>\n<li><strong>Procvi\u010duj s maturitn\u00edmi \u00falohami<\/strong> \u2014 Vy\u0159e\u0161 5\u201310 star\u00fdch zad\u00e1n\u00ed s kalkula\u010dkou.<\/li>\n<li><strong>Pou\u017e\u00edvej online verzi<\/strong> \u2014 Pokud nem\u00e1\u0161 fyzick\u00fd p\u0159\u00edstroj, procvi\u010duj s na\u0161\u00ed <a href=\"\/cs\/vedecka-kalkulacka-trigonometricke-a-specialni-funkce\/\">v\u011bdeckou kalkula\u010dkou<\/a> v prohl\u00ed\u017ee\u010di.<\/li>\n<\/ol>\n<p><strong>Souvisej\u00edc\u00ed n\u00e1vody:<\/strong><\/p>\n<ul>\n<li><a href=\"\/cs\/tipy-a-triky-pro-pouziti-online-kalkulacky\/\">Pou\u017e\u00edv\u00e1n\u00ed online kalkula\u010dky \u2013 tipy a triky<\/a><\/li>\n<li><a href=\"\/cs\/procentualni-kalkulacka-procentni-vypocty-a-prevody\/\">Procentu\u00e1ln\u00ed kalkula\u010dka \u2013 procentn\u00ed v\u00fdpo\u010dty a p\u0159evody<\/a><\/li>\n<li><a href=\"\/cs\/szoras-kalkulator-statisztikai-szamitasok-es-adatelemzes\/\">Kalkula\u010dka sm\u011brodatn\u00e9 odchylky \u2013 statistick\u00e9 v\u00fdpo\u010dty a anal\u00fdza dat<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Ha most vett\u00e9l egy tudom\u00e1nyos sz\u00e1mol\u00f3g\u00e9pet, vagy az iskol\u00e1ban kapt\u00e1l egyet, \u00e9s tele vagy gombokkal, amiknek a fele ismeretlen \u2014 ne agg\u00f3dj. Ez az \u00fatmutat\u00f3 pontosan neked sz\u00f3l. V\u00e9gign\u00e9z\u00fcnk mindent, amit egy kezd\u0151 di\u00e1knak tudnia kell: az alapokt\u00f3l a trigonometri\u00e1n \u00e1t az egyenletek megold\u00e1s\u00e1ig. A Casio FX-991 sorozatot vessz\u00fck alapul, mert ez a leggyakoribb a &#8230; <a title=\"Pou\u017eit\u00ed v\u011bdeck\u00e9 kalkula\u010dky pro za\u010d\u00e1te\u010dn\u00edky \u2013 pr\u016fvodce krok za krokem\" class=\"read-more\" href=\"https:\/\/xn--szmolgp-iwa0f0e.hu\/cs\/tudomanyos-szamologep-hasznalata-kezdoknek\/\" aria-label=\"\u010c\u00edst v\u00edce o Tudom\u00e1nyos sz\u00e1mol\u00f3g\u00e9p haszn\u00e1lata kezd\u0151knek \u2013 L\u00e9p\u00e9sr\u0151l l\u00e9p\u00e9sre \u00fatmutat\u00f3\">\u010c\u00edst d\u00e1l<\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[9],"tags":[],"class_list":["post-464","post","type-post","status-publish","format-standard","hentry","category-kalkulatorok"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Tudom\u00e1nyos sz\u00e1mol\u00f3g\u00e9p haszn\u00e1lata kezd\u0151knek \u2013 L\u00e9p\u00e9sr\u0151l l\u00e9p\u00e9sre \u00fatmutat\u00f3<\/title>\n<meta name=\"description\" content=\"Tanuld meg haszn\u00e1lni a tudom\u00e1nyos sz\u00e1mol\u00f3g\u00e9pet a null\u00e1r\u00f3l! L\u00e9p\u00e9sr\u0151l l\u00e9p\u00e9sre \u00fatmutat\u00f3 di\u00e1koknak: trigonometria, egyenletek, logaritmus \u00e9s statisztika egyszer\u0171en, Casio f\u00f3kusszal.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/xn--szmolgp-iwa0f0e.hu\/cs\/pouziti-vedecke-kalkulacky-pro-zacatecniky\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tudom\u00e1nyos sz\u00e1mol\u00f3g\u00e9p haszn\u00e1lata kezd\u0151knek \u2013 L\u00e9p\u00e9sr\u0151l l\u00e9p\u00e9sre \u00fatmutat\u00f3\" \/>\n<meta property=\"og:description\" content=\"Tanuld meg haszn\u00e1lni a tudom\u00e1nyos sz\u00e1mol\u00f3g\u00e9pet a null\u00e1r\u00f3l! 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