<link href="https://wiwimath.nrw/wm/public/base.css" type="text/css" rel="stylesheet" /><link rel="stylesheet" href="https://wiwimath.nrw/wm/public/fonts/font-awesome/css/font-awesome.min.css" /><link href="https://wiwimath.nrw/wm/public/flaticon_font_face.css" rel="stylesheet" /><link href="https://wiwimath.nrw/wm/public/side_tabs.css" rel="stylesheet" /><script crossorigin="anonymous" integrity="sha256-/xUj+3OJU5yExlq6GSYGSHk7tPXikynS7ogEvDej/m4=" src="https://code.jquery.com/jquery-3.6.0.min.js" /><script src="https://wiwimath.nrw/wm/public/tools.js" type="text/javascript" /><script src="https://wiwimath.nrw/wm/public/mathjax/MathJax.js?config=TeX-MML-AM_HTMLorMML-full,local/local" /><link href="https://wiwimath.nrw/wm/public/cookie-hint/cookie-hint.css" type="text/css" rel="stylesheet" /></head><body><div style="display:block" class="top" id="_MM_top_bar"><div class="topbar-header"><div class="topbar-icon-left"><img alt="Mumie-Logo" 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class="tag"> Support </div></div><div class="side-tab-content-wrapper"><div id="_MM_help_dialog"><ul class="tabs"><li class="selected"><a data-tab="#tab-1">Call-Center</a></li><li><a data-tab="#tab-2">Eingabe mathematischer Ausdrücke</a></li></ul><div class="selected" id="tab-1"><div class="support-wrapper"><h1 style="padding-bottom: 3px;">Mathe-Call-Center</h1><div class="opening-times"> Täglich von 10.00 bis 20.00 Uhr - auch an Wochenenden. </div><div class="support-method"><i title="HM I Chat" aria-hidden="true" class="fa fa-comments" /><span class="sr-only">HM I Chat</span><a onclick="openChat()" href="#">HM I Chat</a></div><div class="support-method"><i title="E-mail" aria-hidden="true" class="fa fa-envelope" /><span class="sr-only">E-mail</span><a href="mailto:hm1@mumie.net">hm1@mumie.net</a></div><div class="support-method"><i title="Telefon" aria-hidden="true" class="fa fa-phone" /><span class="sr-only">Telefon</span> +49 30 5771 4045 </div><img alt="Tutoren" 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xmlns="http://www.w3.org/1998/Math/MathML">2</mn><mo xmlns="http://www.w3.org/1998/Math/MathML">-</mo><mn xmlns="http://www.w3.org/1998/Math/MathML">3</mn></ns4:math></td></tr><tr><td class="help-table-col">Multiplikation</td><td class="help-table-col">2*3</td><td class="help-table-col"><ns4:math xmlns:ns4="http://www.w3.org/1998/Math/MathML"><mn xmlns="http://www.w3.org/1998/Math/MathML">2</mn><mo xmlns="http://www.w3.org/1998/Math/MathML">⋅</mo><mn xmlns="http://www.w3.org/1998/Math/MathML">3</mn></ns4:math></td></tr><tr><td class="help-table-col">Division</td><td class="help-table-col">2/3x+1, 2/(3x+1)</td><td class="help-table-col"><ns4:math xmlns:ns4="http://www.w3.org/1998/Math/MathML"><mfrac xmlns="http://www.w3.org/1998/Math/MathML"><mn>2</mn><mrow><mn>3</mn></mrow></mfrac><mo xmlns="http://www.w3.org/1998/Math/MathML">⋅</mo><mi xmlns="http://www.w3.org/1998/Math/MathML">x</mi><mo xmlns="http://www.w3.org/1998/Math/MathML">+</mo><mn xmlns="http://www.w3.org/1998/Math/MathML">1</mn></ns4:math>, <ns4:math xmlns:ns4="http://www.w3.org/1998/Math/MathML"><mfrac xmlns="http://www.w3.org/1998/Math/MathML"><mn>2</mn><mrow><mn>3</mn><mi>x</mi><mo>+</mo><mn>1</mn></mrow></mfrac></ns4:math></td></tr><tr><td class="help-table-col">Potenzen</td><td class="help-table-col">2^3, 2^(-3), (2^3)^4</td><td class="help-table-col"><ns4:math xmlns:ns4="http://www.w3.org/1998/Math/MathML"><msup xmlns="http://www.w3.org/1998/Math/MathML"><mn>2</mn><mn>3</mn></msup></ns4:math>, <ns4:math xmlns:ns4="http://www.w3.org/1998/Math/MathML"><msup xmlns="http://www.w3.org/1998/Math/MathML"><mn>2</mn><mrow><mo>-</mo><mn>3</mn></mrow></msup></ns4:math>, <ns4:math xmlns:ns4="http://www.w3.org/1998/Math/MathML"><mo xmlns="http://www.w3.org/1998/Math/MathML">(</mo><msup xmlns="http://www.w3.org/1998/Math/MathML"><mn>2</mn><mn>3</mn></msup><msup xmlns="http://www.w3.org/1998/Math/MathML"><mo>)</mo><mn>4</mn></msup></ns4:math></td></tr><tr><td class="help-table-col">Wurzeln</td><td class="help-table-col">sqrt(4), cbrt(9)</td><td class="help-table-col"><ns4:math xmlns:ns4="http://www.w3.org/1998/Math/MathML"><msqrt xmlns="http://www.w3.org/1998/Math/MathML"><mn>4</mn></msqrt></ns4:math>, <ns4:math xmlns:ns4="http://www.w3.org/1998/Math/MathML"><mroot xmlns="http://www.w3.org/1998/Math/MathML"><mn>9</mn><mn>3</mn></mroot></ns4:math></td></tr><tr><td class="help-table-col">Funktionen</td><td class="help-table-col">exp(3x), e^(3x)</td><td class="help-table-col"><ns4:math xmlns:ns4="http://www.w3.org/1998/Math/MathML"><mi xmlns="http://www.w3.org/1998/Math/MathML">exp</mi><mo xmlns="http://www.w3.org/1998/Math/MathML">(</mo><mn xmlns="http://www.w3.org/1998/Math/MathML">3</mn><mi xmlns="http://www.w3.org/1998/Math/MathML">x</mi><mo xmlns="http://www.w3.org/1998/Math/MathML">)</mo></ns4:math>, <ns4:math xmlns:ns4="http://www.w3.org/1998/Math/MathML"><msup xmlns="http://www.w3.org/1998/Math/MathML"><mi>e</mi><mrow><mn>3</mn><mi>x</mi></mrow></msup></ns4:math></td></tr><tr><td class="help-table-col" /><td class="help-table-col">log(2), ln(e), log_5(25)</td><td class="help-table-col"><ns4:math xmlns:ns4="http://www.w3.org/1998/Math/MathML"><mi xmlns="http://www.w3.org/1998/Math/MathML">log</mi><mo xmlns="http://www.w3.org/1998/Math/MathML">(</mo><mn xmlns="http://www.w3.org/1998/Math/MathML">2</mn><mo xmlns="http://www.w3.org/1998/Math/MathML">)</mo></ns4:math>, <ns4:math xmlns:ns4="http://www.w3.org/1998/Math/MathML"><mi xmlns="http://www.w3.org/1998/Math/MathML">ln</mi><mo xmlns="http://www.w3.org/1998/Math/MathML">(</mo><mi xmlns="http://www.w3.org/1998/Math/MathML">e</mi><mo xmlns="http://www.w3.org/1998/Math/MathML">)</mo></ns4:math>, <ns4:math xmlns:ns4="http://www.w3.org/1998/Math/MathML"><msub xmlns="http://www.w3.org/1998/Math/MathML"><mi>log</mi><mn>5</mn></msub><mn xmlns="http://www.w3.org/1998/Math/MathML">25</mn></ns4:math></td></tr><tr><td class="help-table-col" /><td class="help-table-col">sin(2*pi), cos(2*pi), tan(2*pi)</td><td class="help-table-col"><ns4:math xmlns:ns4="http://www.w3.org/1998/Math/MathML"><mi xmlns="http://www.w3.org/1998/Math/MathML">sin</mi><mo xmlns="http://www.w3.org/1998/Math/MathML">(</mo><mn xmlns="http://www.w3.org/1998/Math/MathML">2</mn><mi xmlns="http://www.w3.org/1998/Math/MathML">π</mi><mo xmlns="http://www.w3.org/1998/Math/MathML">)</mo></ns4:math>, <ns4:math xmlns:ns4="http://www.w3.org/1998/Math/MathML"><mi xmlns="http://www.w3.org/1998/Math/MathML">cos</mi><mo xmlns="http://www.w3.org/1998/Math/MathML">(</mo><mn xmlns="http://www.w3.org/1998/Math/MathML">2</mn><mi xmlns="http://www.w3.org/1998/Math/MathML">π</mi><mo xmlns="http://www.w3.org/1998/Math/MathML">)</mo></ns4:math>, <ns4:math xmlns:ns4="http://www.w3.org/1998/Math/MathML"><mi xmlns="http://www.w3.org/1998/Math/MathML">tan</mi><mo xmlns="http://www.w3.org/1998/Math/MathML">(</mo><mn xmlns="http://www.w3.org/1998/Math/MathML">2</mn><mi xmlns="http://www.w3.org/1998/Math/MathML">π</mi><mo xmlns="http://www.w3.org/1998/Math/MathML">)</mo></ns4:math></td></tr><tr><td class="help-table-col" /><td class="help-table-col">arcsin(pi), arccos(pi), arctan(pi)</td><td class="help-table-col"><ns4:math xmlns:ns4="http://www.w3.org/1998/Math/MathML"><mi xmlns="http://www.w3.org/1998/Math/MathML">arcsin</mi><mo xmlns="http://www.w3.org/1998/Math/MathML">(</mo><mi xmlns="http://www.w3.org/1998/Math/MathML">π</mi><mo xmlns="http://www.w3.org/1998/Math/MathML">)</mo></ns4:math>, <ns4:math xmlns:ns4="http://www.w3.org/1998/Math/MathML"><mi xmlns="http://www.w3.org/1998/Math/MathML">arccos</mi><mo xmlns="http://www.w3.org/1998/Math/MathML">(</mo><mi xmlns="http://www.w3.org/1998/Math/MathML">π</mi><mo xmlns="http://www.w3.org/1998/Math/MathML">)</mo></ns4:math>, <ns4:math xmlns:ns4="http://www.w3.org/1998/Math/MathML"><mi xmlns="http://www.w3.org/1998/Math/MathML">arctan</mi><mo xmlns="http://www.w3.org/1998/Math/MathML">(</mo><mi xmlns="http://www.w3.org/1998/Math/MathML">π</mi><mo xmlns="http://www.w3.org/1998/Math/MathML">)</mo></ns4:math></td></tr></table><div class="info-message-wrapper"><i title="Info" class="fa fa-info" aria-hidden="true" /><span class="sr-only">Info</span><div class="info-message"> Im Chat und im Forum können Sie auch mathematische Ausdrücke schreiben. Sie müssen allerdings in Backticks (rückwärts geneigte Hochkommata) eingeschlossen werden, z.B. <span>`</span>1+x<span>`</span>. Sowohl im Chat als auch im Forum können Sie diese einfach über einen Klick auf einen Button erzeugen. <br /> Beispiel: <span>`</span>1/sin(x)<span>`</span> wird zu `1/sin(x)` </div></div></div></div></div></div></div><script src="https://wiwimath.nrw/wm/public/side_tabs.js" /></div><div id="_MM_footer"><div id="logos"><div class="tableRow"><div class="box_cell"><img src="https://wiwimath.nrw/wm/public/BMBF_gefoerdert vom_deutsch_ohne_rand.png" class="image_logos" /></div><div class="box_cell"><img style="width: 350px;" src="https://wiwimath.nrw/wm/public/DAAD_Logo_Suppl_de_en_H_Basic_RGB.jpg" class="image_logos" /></div></div><div class="tableRow"><div class="box_cell"><img src="https://wiwimath.nrw/wm/public/AK_Kultur_und_Wissenschaft.svg" class="image_logos" /></div><div class="box_cell"><img src="https://wiwimath.nrw/wm/public/Kooperationsvorhaben_DH_NRW.png" class="image_logos" /></div><div class="box_cell"><img src="https://wiwimath.nrw/wm/public/hm4mint-nrw_Kooperationsvorhaben_Logo.svg" class="image_logos" /></div></div></div><div><p class="first"><span class="footer-item"> Powered by <a target="_top" href="http://www.mumie.net">MUMIE</a></span><span class="footer-item"><a target="_blank" href="https://wiwimath.nrw/wm/public/terms-of-use">Nutzungsbedingungen / Datenschutzerklärung</a></span><span class="footer-item"><a target="_blank" href="https://wiwimath.nrw/wm/public/impressum.html">Impressum</a></span></p></div></div><div onload="cookieHintLoaded()" class="cookie-hint" id="cookie-hint"><script type="text/javascript"> var cookieHint; function checkCookie(){ cookieHint = document.getElementById("cookie-hint"); if(getCookie('cookie-consent')){ //already dismissed } else { cookieHint.style.visibility="visible"; } } function dismissCookie(){ cookieHint.style.visibility='hidden'; setCookie('cookie-consent', 'true'); } function setCookie(key, value) { var expires = new Date(); expires.setTime(expires.getTime() + (365 * 24 * 60 * 60 * 1000)); //valid for one year document.cookie = key + '=' + value + ';expires=' + expires.toUTCString()+';path=/;'; } function getCookie(key) { var keyValue = document.cookie.match('(^|;) ?' + key + '=([^;]*)(;|$)'); return keyValue ? keyValue[2] : null; } //call check cookie checkCookie(); </script><div class="hint-wrapper"><button onclick="dismissCookie()" class="cookie-button">OK, Verstanden</button><span class="cookie-message">Um unsere Webseite für Sie optimal zu gestalten und fortlaufend verbessern zu können, verwenden wir Cookies. 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