e39465ad2f
new file: Files/flashplayer_32_sa.exe
new file: favicon.ico
new file: globe.gif
new file: imgs/download.png
new file: imgs/zuck.jpg
new file: index.html
new file: other.ico
new file: script.js
new file: site.webmanifest
new file: sitemap.html
new file: styles/backround.css
new file: styles/border.css
new file: styles/fonts/Titillium_Web/OFL.txt
new file: styles/fonts/Titillium_Web/TitilliumWeb-Black.ttf
new file: styles/fonts/Titillium_Web/TitilliumWeb-Bold.ttf
new file: styles/fonts/Titillium_Web/TitilliumWeb-BoldItalic.ttf
new file: styles/fonts/Titillium_Web/TitilliumWeb-ExtraLight.ttf
new file: styles/fonts/Titillium_Web/TitilliumWeb-ExtraLightItalic.ttf
new file: styles/fonts/Titillium_Web/TitilliumWeb-Italic.ttf
new file: styles/fonts/Titillium_Web/TitilliumWeb-Light.ttf
new file: styles/fonts/Titillium_Web/TitilliumWeb-LightItalic.ttf
new file: styles/fonts/Titillium_Web/TitilliumWeb-Regular.ttf
new file: styles/fonts/Titillium_Web/TitilliumWeb-SemiBold.ttf
new file: styles/fonts/Titillium_Web/TitilliumWeb-SemiBoldItalic.ttf
new file: styles/fonts/webfontkit-20221027-163353/generator_config.txt
new file: styles/fonts/webfontkit-20221027-163353/specimen_files/grid_12-825-55-15.css
new file: styles/fonts/webfontkit-20221027-163353/specimen_files/specimen_stylesheet.css
new file: styles/fonts/webfontkit-20221027-163353/stylesheet.css
new file: styles/fonts/webfontkit-20221027-163353/titilliumweb-extralight-demo.html
new file: styles/fonts/webfontkit-20221027-163353/titilliumweb-extralight-webfont.woff
new file: styles/fonts/webfontkit-20221027-163353/titilliumweb-extralight-webfont.woff2
new file: styles/fonts/webfontkit-20221027-165950/generator_config.txt
new file: styles/fonts/webfontkit-20221027-165950/specimen_files/grid_12-825-55-15.css
new file: styles/fonts/webfontkit-20221027-165950/specimen_files/specimen_stylesheet.css
new file: styles/fonts/webfontkit-20221027-165950/stylesheet.css
new file: styles/fonts/webfontkit-20221027-165950/titilliumweb-bold-demo.html
new file: styles/fonts/webfontkit-20221027-165950/titilliumweb-bold-webfont.woff
new file: styles/fonts/webfontkit-20221027-165950/titilliumweb-bold-webfont.woff2
new file: styles/style.css
new file: tools/2048/.gitignore
new file: tools/2048/.jshintrc
new file: tools/2048/CONTRIBUTING.md
new file: tools/2048/LICENSE.txt
new file: tools/2048/README.md
new file: tools/2048/Rakefile
new file: tools/2048/favicon.ico
new file: tools/2048/index.html
new file: tools/2048/js/animframe_polyfill.js
new file: tools/2048/js/application.js
new file: tools/2048/js/bind_polyfill.js
new file: tools/2048/js/classlist_polyfill.js
new file: tools/2048/js/game_manager.js
new file: tools/2048/js/grid.js
new file: tools/2048/js/html_actuator.js
new file: tools/2048/js/keyboard_input_manager.js
new file: tools/2048/js/local_storage_manager.js
new file: tools/2048/js/tile.js
new file: tools/2048/meta/apple-touch-icon.png
new file: tools/webretro/cores/neocd_libretro.js
new file: tools/webretro/cores/neocd_libretro.wasm
new file: tools/webretro/cores/nestopia_libretro.js
new file: tools/webretro/cores/nestopia_libretro.wasm
new file: tools/webretro/cores/o2em_libretro.js
new file: tools/webretro/cores/o2em_libretro.wasm
new file: tools/webretro/cores/opera_libretro.js
new file: tools/webretro/cores/opera_libretro.wasm
238 lines
8.3 KiB
HTML
238 lines
8.3 KiB
HTML
<!DOCTYPE html>
|
|
<html lang="en"><!-- #BeginTemplate "/Templates/Main.dwt" --><!-- DW6 -->
|
|
|
|
<!-- Mirrored from www.mathsisfun.com/numbers/sigma-calculator.html by HTTrack Website Copier/3.x [XR&CO'2014], Sat, 29 Oct 2022 00:30:16 GMT -->
|
|
<head>
|
|
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
|
|
|
|
<!-- #BeginEditable "doctitle" -->
|
|
<title>Sigma (Sum) Calculator</title>
|
|
|
|
<meta name="description" content="Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. For K-12 kids, teachers and parents.">
|
|
<!-- #EndEditable -->
|
|
<meta name="keywords" content="math, maths, mathematics, school, homework, education">
|
|
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes">
|
|
<meta name="HandheldFriendly" content="true">
|
|
<meta name="referrer" content="always">
|
|
<link rel="preload" href="../images/style/font-champ-bold.ttf" as="font" type="font/ttf" crossorigin="">
|
|
<link rel="preload" href="../style4.css" as="style">
|
|
<link rel="preload" href="../main4.js" as="script">
|
|
<link rel="stylesheet" href="../style4.css">
|
|
<script src="../main4.js" defer="defer"></script>
|
|
<!-- Global site tag (gtag.js) - Google Analytics -->
|
|
<script async="" src="https://www.googletagmanager.com/gtag/js?id=UA-29771508-1"></script>
|
|
<script>
|
|
window.dataLayer = window.dataLayer || [];
|
|
function gtag(){dataLayer.push(arguments);}
|
|
gtag('js', new Date());
|
|
gtag('config', 'UA-29771508-1');
|
|
</script>
|
|
</head>
|
|
|
|
<body id="bodybg">
|
|
|
|
<div id="stt"></div>
|
|
<div id="adTop"></div>
|
|
<header>
|
|
<div id="hdr"></div>
|
|
<div id="tran"></div>
|
|
<div id="adHide"></div>
|
|
<div id="cookOK"></div>
|
|
</header>
|
|
|
|
<div class="mid">
|
|
|
|
<nav>
|
|
<div id="menuWide" class="menu"></div>
|
|
<div id="logo"><a href="../index.html"><img src="../images/style/logo.svg" alt="Math is Fun"></a></div>
|
|
|
|
<div id="search" role="search"></div>
|
|
<div id="linkto"></div>
|
|
|
|
<div id="menuSlim" class="menu"></div>
|
|
<div id="menuTiny" class="menu"></div>
|
|
</nav>
|
|
|
|
<div id="extra"></div>
|
|
|
|
<article id="content" role="main">
|
|
|
|
<!-- #BeginEditable "Body" -->
|
|
|
|
|
|
<h1 class="center">Sigma (Sum) Calculator</h1>
|
|
|
|
<p class="center"><i>Just type, and your answer comes up live. Example: "n^2"</i></p>
|
|
|
|
<div class="script" style="height: 320px;">
|
|
images/sigma2.js
|
|
</div>
|
|
|
|
|
|
<h2>What is Sigma?</h2>
|
|
|
|
<table style="border: 0; margin:auto;">
|
|
<tbody>
|
|
<tr>
|
|
<td><span style="font: normal 5rem Georgia;">Σ</span></td>
|
|
<td> </td>
|
|
<td>This symbol (called Sigma) means "sum up"</td>
|
|
</tr>
|
|
</tbody></table>
|
|
<p>It is used like this:</p>
|
|
<p class="center"><img src="../algebra/images/sigma-notation.svg" alt="Sigma Notation" height="118" width="451"></p>
|
|
<p>Sigma is fun to use, and can do many clever things. Learn more at <a href="../algebra/sigma-notation.html">Sigma Notation</a>.</p>
|
|
<p>You might also like to read the more advanced topic <a href="../algebra/partial-sums.html">Partial Sums</a>.</p>
|
|
|
|
|
|
<h2><a name="functions" id="functions"></a>All Functions</h2>
|
|
|
|
<h3>Operators</h3>
|
|
<table width="100%" cellpadding="4" border="0">
|
|
<tbody>
|
|
<tr>
|
|
<td width="8%"> </td>
|
|
<th width="10%">+</th>
|
|
<td width="82%">Addition operator</td>
|
|
</tr>
|
|
<tr>
|
|
<td width="8%"> </td>
|
|
<th width="10%">-</th>
|
|
<td width="82%">Subtraction operator</td>
|
|
</tr>
|
|
<tr>
|
|
<td width="8%"> </td>
|
|
<th width="10%">*</th>
|
|
<td width="82%">Multiplication operator</td>
|
|
</tr>
|
|
<tr>
|
|
<td width="8%"> </td>
|
|
<th width="10%">/</th>
|
|
<td width="82%">Division operator</td>
|
|
</tr>
|
|
<tr>
|
|
<td width="8%"> </td>
|
|
<th width="10%">^</th>
|
|
<td width="82%">Power/Exponent/Index operator</td>
|
|
</tr>
|
|
<tr>
|
|
<td width="8%"> </td>
|
|
<th width="10%">()</th>
|
|
<td width="82%">Parentheses</td>
|
|
</tr>
|
|
</tbody></table>
|
|
|
|
<h3>Functions</h3>
|
|
<table width="100%" cellpadding="4" border="0">
|
|
<tbody>
|
|
<tr>
|
|
<td width="8%"> </td>
|
|
<th width="10%"><b>sqrt</b></th>
|
|
<td width="82%">Square Root of a value or expression.</td>
|
|
</tr>
|
|
<tr>
|
|
<td width="8%"> </td>
|
|
<th width="10%"><b>sin</b></th>
|
|
<td width="82%">sine of a value or expression</td>
|
|
</tr>
|
|
<tr>
|
|
<td width="8%"> </td>
|
|
<th width="10%"><b>cos</b></th>
|
|
<td width="82%">cosine of a value or expression</td>
|
|
</tr>
|
|
<tr>
|
|
<td width="8%"> </td>
|
|
<th width="10%"><b>tan</b></th>
|
|
<td width="82%">tangent of a value or expression</td>
|
|
</tr>
|
|
<tr>
|
|
<td width="8%"> </td>
|
|
<th width="10%"><b>asin</b></th>
|
|
<td width="82%">inverse sine (arcsine) of a value or expression</td>
|
|
</tr>
|
|
<tr>
|
|
<td width="8%"> </td>
|
|
<th width="10%"><b>acos</b></th>
|
|
<td width="82%">inverse cosine (arccos) of a value or expression</td>
|
|
</tr>
|
|
<tr>
|
|
<td width="8%"> </td>
|
|
<th width="10%"><b>atan</b></th>
|
|
<td width="82%">inverse tangent (arctangent) of a value or expression</td>
|
|
</tr>
|
|
<tr>
|
|
<td width="8%"> </td>
|
|
<th width="10%"><b>sinh</b></th>
|
|
<td width="82%">Hyperbolic sine of a value or expression</td>
|
|
</tr>
|
|
<tr>
|
|
<td width="8%"> </td>
|
|
<th width="10%"><b>cosh</b></th>
|
|
<td width="82%">Hyperbolic cosine of a value or expression</td>
|
|
</tr>
|
|
<tr>
|
|
<td width="8%"> </td>
|
|
<th width="10%"><b>tanh</b></th>
|
|
<td width="82%">Hyperbolic tangent of a value or expression</td>
|
|
</tr>
|
|
<tr>
|
|
<td width="8%"> </td>
|
|
<th width="10%"><b>exp</b></th>
|
|
<td width="82%"> e (the <a href="e-eulers-number.html">Euler Constant</a>) raised to the power of a value or expression</td>
|
|
</tr>
|
|
<tr>
|
|
<td width="8%"> </td>
|
|
<th width="10%"><b>ln</b></th>
|
|
<td width="82%">The natural <a href="../algebra/logarithms.html">logarithm</a> of a value or expression</td>
|
|
</tr>
|
|
<tr>
|
|
<td width="8%"> </td>
|
|
<th width="10%"><b>log</b></th>
|
|
<td width="82%">The base-10 logarithm of a value or expression</td>
|
|
</tr>
|
|
<tr>
|
|
<td width="8%"> </td>
|
|
<th width="10%">abs</th>
|
|
<td width="82%"><a href="absolute-value.html">Absolute value</a> (distance from zero) of a value or expression</td>
|
|
</tr>
|
|
<tr>
|
|
<td> </td>
|
|
<th>fact</th>
|
|
<td>the <a href="factorial.html">Factorial function!</a></td>
|
|
</tr>
|
|
</tbody></table>
|
|
|
|
<h3>Constants</h3>
|
|
<table width="100%" cellpadding="4" border="0">
|
|
<tbody>
|
|
<tr>
|
|
<td width="8%"> </td>
|
|
<th width="10%">pi</th>
|
|
<td width="82%"><a href="pi.html">The constant <font face="Times New Roman, Times, serif" size="+1">π</font></a> (3.141592654...) </td>
|
|
</tr>
|
|
<tr>
|
|
<td width="8%"> </td>
|
|
<th width="10%">e</th>
|
|
<td width="82%"><a href="e-eulers-number.html">Euler's Number</a> (2.71828...), the base for the natural logarithm</td>
|
|
</tr>
|
|
</tbody></table>
|
|
<p> </p>
|
|
|
|
<div class="related">
|
|
<a href="../algebra/sigma-notation.html">Sigma Notation</a>
|
|
<a href="../algebra/partial-sums.html">Partial Sums</a>
|
|
<a href="../algebra/infinite-series.html">Infinite Series</a>
|
|
<a href="index.html">Numbers Index</a>
|
|
</div>
|
|
<!-- #EndEditable -->
|
|
|
|
</article>
|
|
|
|
<div id="adend" class="centerfull noprint"></div>
|
|
<footer id="footer" class="centerfull noprint"></footer>
|
|
<div id="copyrt">Copyright © 2021 MathsIsFun.com</div>
|
|
|
|
</div>
|
|
</body><!-- #EndTemplate -->
|
|
<!-- Mirrored from www.mathsisfun.com/numbers/sigma-calculator.html by HTTrack Website Copier/3.x [XR&CO'2014], Sat, 29 Oct 2022 00:30:17 GMT -->
|
|
</html> |