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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
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<meta name="referrer" content="always">
<meta name="renderer" content="webkit">
<meta http-equiv="Cache-Control" content="no-transform" />
<meta name="format-detection" content="telephone=no"/>
<title>大数浮点数计算</title>
<meta name="keywords" content="bignumber,parser,浮点数溢出,大数计算,科学计数法"/>
<meta name="description" content="提供大数浮点数计算及数值格式化工具"/>
<link rel="stylesheet" href="static/style/index.css">
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</head>
<body>
<div class="wrapper">
<div class="header">
<div class="mod-menu">
<div class="bd">
<ul>
<li>
<a href="#AnyNumber">
<span class="title">初始化</span>
<span class="subtitle">AnyNumber</span>
</a>
</li>
<li>
<h3>原型方法</h3>
</li>
<li>
<a href="#toFormat">
<span class="title">返回格式化数值</span>
<span class="subtitle">toFormat()</span>
</a>
</li>
<li>
<a href="#toExponential">
<span class="title">返回科学计数法</span>
<span class="subtitle">toExponential()</span>
</a>
</li>
<li>
<a href="#toFixed">
<span class="title">精确到小数点后n位</span>
<span class="subtitle">toFixed()</span>
</a>
</li>
<li>
<a href="#toChineseExpression">
<span class="title">返回中文金额表达</span>
<span class="subtitle">toChineseExpression()</span>
</a>
</li>
<li>
<a href="#toString">
<span class="title">返回字符串</span>
<span class="subtitle">toString()</span>
</a>
</li>
<li>
<a href="#toNumber">
<span class="title">返回原生Number对象</span>
<span class="subtitle">toNumber()</span>
</a>
</li>
<li>
<a href="#add">
<span class="title">加法运算</span>
<span class="subtitle">add()</span>
</a>
</li>
<li>
<a href="#subtract">
<span class="title">减法运算</span>
<span class="subtitle">subtract()</span>
</a>
</li>
<li>
<a href="#multiply">
<span class="title">乘法运算</span>
<span class="subtitle">multiply()</span>
</a>
</li>
<li>
<a href="#divide">
<span class="title">除法运算</span>
<span class="subtitle">divide()</span>
</a>
</li>
<li>
<a href="#mod">
<span class="title">取余运算</span>
<span class="subtitle">mod()</span>
</a>
</li>
<li>
<a href="#sqrt">
<span class="title">开方计算</span>
<span class="subtitle">sqrt()</span>
</a>
</li>
<li>
<a href="#pow">
<span class="title">幂计算</span>
<span class="subtitle">pow()</span>
</a>
</li>
</ul>
</div>
</div>
</div>
<div class="container">
<div class="inner">
<div class="mod-head">
<div class="bd">
<a class="btn" href="https://github.com/mumuy/anynumber/" rel="nofollow" target="_blank" title="Github">
<svg aria-hidden="true" class="octicon" height="20" title="GitHub " version="1.1" viewBox="0 0 16 16" width="24"><path d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59 0.4 0.07 0.55-0.17 0.55-0.38 0-0.19-0.01-0.82-0.01-1.49-2.01 0.37-2.53-0.49-2.69-0.94-0.09-0.23-0.48-0.94-0.82-1.13-0.28-0.15-0.68-0.52-0.01-0.53 0.63-0.01 1.08 0.58 1.23 0.82 0.72 1.21 1.87 0.87 2.33 0.66 0.07-0.52 0.28-0.87 0.51-1.07-1.78-0.2-3.64-0.89-3.64-3.95 0-0.87 0.31-1.59 0.82-2.15-0.08-0.2-0.36-1.02 0.08-2.12 0 0 0.67-0.21 2.2 0.82 0.64-0.18 1.32-0.27 2-0.27 0.68 0 1.36 0.09 2 0.27 1.53-1.04 2.2-0.82 2.2-0.82 0.44 1.1 0.16 1.92 0.08 2.12 0.51 0.56 0.82 1.27 0.82 2.15 0 3.07-1.87 3.75-3.65 3.95 0.29 0.25 0.54 0.73 0.54 1.48 0 1.07-0.01 1.93-0.01 2.2 0 0.21 0.15 0.46 0.55 0.38C13.71 14.53 16 11.53 16 8 16 3.58 12.42 0 8 0z"></path></svg>
<span>Github</span>
</a>
<a class="btn" href="/">个人网站</a>
</div>
</div>
<div class="mod-panel">
<div class="hd">
<h1>AnyNumber大数浮点数计算<span class="tag">开源算法</span></h1>
<p>提供大数浮点数计算及数值格式化工具</p>
<p>
<a class="btn" href="https://passer-by.com/anynumber/dist/anynumber.min.js" target="_blank">获取脚本</a>
</p>
</div>
<div class="bd">
<div id="AnyNumber" class="box">
<div class="c-hd">
<p class="title">初始化</p>
<p class="subtitle">AnyNumber(expression)</p>
</div>
<div class="c-bd">
<p>数值格式化</p>
<p>运行：AnyNumber(2.4e8)</p>
<br>
<p>通过字符串计算公式初始化</p>
<p>运行：AnyNumber('0.1+0.2')</p>
<p>运行：AnyNumber('100%30')</p>
</div>
</div>
<div id="toFormat" class="box">
<div class="c-hd">
<p class="title">返回格式化数值</p>
<p class="subtitle">toFormat(tofixed)</p>
</div>
<div class="c-bd">
<p>运行：AnyNumber(1000000.123456).toFormat(2)</p>
<p>返回：'1,000,000.12' </p>
</div>
</div>
<div id="toExponential" class="box">
<div class="c-hd">
<p class="title">返回科学计数法</p>
<p class="subtitle">toExponential()</p>
</div>
<div class="c-bd">
<p>运行：AnyNumber(128000).toExponential(2)</p>
<p>返回：'1.28e+5'</p>
</div>
</div>
<div id="toFixed" class="box">
<div class="c-hd">
<p class="title">精确度小数点后n位</p>
<p class="subtitle">toFixed()</p>
</div>
<div class="c-bd">
<p>运行：AnyNumber(3.1415926535).toFixed(2)</p>
<p>返回：'3.14'</p>
</div>
</div>
<div id="toChineseExpression" class="box">
<div class="c-hd">
<p class="title">返回中文金额表达</p>
<p class="subtitle">toChineseExpression()</p>
</div>
<div class="c-bd">
<p>运行：AnyNumber(1208.25).toChineseExpression()</p>
<p>返回：'壹仟贰佰零捌圆贰角伍分'</p>
</div>
</div>
<div id="toString" class="box">
<div class="c-hd">
<p class="title">返回字符串(等效于.value)</p>
<p class="subtitle">toString()</p>
</div>
<div class="c-bd">
<p>运行：AnyNumber(1.2e3).toString()</p>
<p>返回：'1200'</p>
</div>
</div>
<div id="toNumber" class="box">
<div class="c-hd">
<p class="title">返回原生Number对象</p>
<p class="subtitle">toNumber()</p>
</div>
<div class="c-bd">
<p>运行：AnyNumber('1.28e3').toNumber()</p>
<p>返回：1280</p>
</div>
</div>
<div id="add" class="box">
<div class="c-hd">
<p class="title">加法运算</p>
<p class="subtitle">add()</p>
</div>
<div class="c-bd">
<p>运行：AnyNumber('0.1').add('0.2').value</p>
<p>返回：'0.3'</p>
</div>
</div>
<div id="subtract" class="box">
<div class="c-hd">
<p class="title">减法运算</p>
<p class="subtitle">subtract()</p>
</div>
<div class="c-bd">
<p>运行：AnyNumber('100').subtract('0.5').value</p>
<p>返回：'99.5'</p>
</div>
</div>
<div id="multiply" class="box">
<div class="c-hd">
<p class="title">乘法运算</p>
<p class="subtitle">multiply()</p>
</div>
<div class="c-bd">
<p>运行：AnyNumber('3').multiply('2').value</p>
<p>返回：'6'</p>
</div>
</div>
<div id="divide" class="box">
<div class="c-hd">
<p class="title">除法运算</p>
<p class="subtitle">divide()</p>
</div>
<div class="c-bd">
<p>运行：AnyNumber('100').divide('4').value</p>
<p>返回：'25'</p>
</div>
</div>
<div id="mod" class="box">
<div class="c-hd">
<p class="title">取余运算</p>
<p class="subtitle">mod()</p>
</div>
<div class="c-bd">
<p>运行：AnyNumber('10').mod('3').value</p>
<p>返回：'1'</p>
</div>
</div>
<div id="sqrt" class="box">
<div class="c-hd">
<p class="title">开方运算</p>
<p class="subtitle">sqrt()</p>
</div>
<div class="c-bd">
<p>运行：AnyNumber('16').sqrt().value</p>
<p>返回：'4'</p>
</div>
</div>
<div id="pow" class="box">
<div class="c-hd">
<p class="title">幂运算</p>
<p class="subtitle">pow()</p>
</div>
<div class="c-bd">
<p>运行：AnyNumber('10').pow('2').value</p>
<p>返回：'100'</p>
</div>
</div>
</div>
</div>
</div>
<div class="mod-copy">
<div class="inner">
<div class="hd"><span>算法开源</span></div>
<div class="bd">
<p><span>算法基于「<a href="https://github.com/mumuy/anynumber/blob/master/LICENSE" rel="nofollow" target="_blank">MIT许可协议</a>」开源，除需在源码中保留版权信息和许可声明外，你有权利使用、复制、修改、合并、出版发行、散布、再授权及贩售软件及软件的副本。</span>数据持续更新中，如发现错漏或有想法建议可在此</span> <a class="text-red" href="https://github.com/mumuy/anynumber/issues" rel="nofollow" target="_blank">反馈问题</a>。</p>
<div class="buttons">
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<a class="github-button" href="https://github.com/mumuy/anynumber/fork" data-color-scheme="no-preference: light; light: light; dark: dark;" data-icon="octicon-repo-forked" data-size="large" data-show-count="true" aria-label="Fork mumuy/anynumber on GitHub">Fork</a>
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