<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>计算器 - CodeFans.net</title>
<link href="common.css" rel="stylesheet" type="text/css" />
</head>
<body>
<table width="800" cellpadding=2 cellspacing=0 style="border:1px solid #B2D0EA;">
<tr>
<th align="center">万能数学计算器</th>
</tr>
<tr>
<td align="center">
<style type="text/css">
<!--
.b3 {
font-size: 12px;
color: #FF6501;
background-color: #FBFBFB;
background-position: center;
border: 1px solid #B2B2B2;
height: 23px;
width: 61px;
}
.b4 {
font-size: 12px;
color: #888485;
background-color: #FBFBFB;
background-position: center;
border: 1px solid #B2B2B2;
height: 23px;
width: 32px;
}
.xo {
font-size: 12px;
color: #FF6701;
background-color: #FBFBFB;
background-position: center;
border: 1px solid #B2B2B2;
height: 23px;
width: 32px;
}
.b1 {
font-family: "宋体";
font-size: 12px;
color: #313596;
background-color: #FBFBFB;
background-position: center;
border: 1px solid #B2B2B2;
height: 23px;
width: 43px;
}
.b2 {
font-size: 12px;
color: #FE3498;
background-color: #FBFBFB;
background-position: center;
border: 1px solid #B2B2B2;
height: 23px;
width: 43px;
}
.xn {
font-size: 12px;
color: #313398;
background-color: #FBFBFB;
background-position: center;
height: 23px;
width: 32px;
border: 1px solid #B2B2B2;
}
.dh {
font-size: 12px;
color: #868485;
background-color: #FBFBFB;
background-position: center;
height: 23px;
width: 40px;
border: 1px solid #B2B2B2;
}
.or {
font-size: 12px;
color: #FE6800;
height: 23px;
width: 40px;
background-color: #FBFBFB;
background-position: center;
border: 1px solid #B2B2B2;
}
.border {
border: 1px solid #B1BAC3;
}
-->
</style>
<script language="javascript">
<!--
var endNumber=true
var mem=0
var carry=10
var hexnum="0123456789abcdef"
var angle="d"
var stack=""
var level="0"
var layer=0
//数字键
function inputkey(key)
{
var index=key.charCodeAt(0);
if ((carry==2 && (index==48 || index==49))
|| (carry==8 && index>=48 && index<=55)
|| (carry==10 && (index>=48 && index<=57 || index==46))
|| (carry==16 && ((index>=48 && index<=57) || (index>=97 && index<=102))))
if(endNumber)
{
endNumber=false
document.calc.display.value = key
}
else if(document.calc.display.value == null || document.calc.display.value == "0")
document.calc.display.value = key
else
document.calc.display.value += key
}
function changeSign()
{
if (document.calc.display.value!="0")
if(document.calc.display.value.substr(0,1) == "-")
document.calc.display.value = document.calc.display.value.substr(1)
else
document.calc.display.value = "-" + document.calc.display.value
}
//函数键
function inputfunction(fun,shiftfun)
{
endNumber=true
if (document.calc.shiftf.checked)
document.calc.display.value=decto(funcalc(shiftfun,(todec(document.calc.display.value,carry))),carry)
else
document.calc.display.value=decto(funcalc(fun,(todec(document.calc.display.value,carry))),carry)
document.calc.shiftf.checked=false
document.calc.hypf.checked=false
inputshift()
}
function inputtrig(trig,arctrig,hyp,archyp)
{
if (document.calc.hypf.checked)
inputfunction(hyp,archyp)
else
inputfunction(trig,arctrig)
}
//运算符
function operation(join,newlevel)
{
endNumber=true
var temp=stack.substr(stack.lastIndexOf("(")+1)+document.calc.display.value
while (newlevel!=0 && (newlevel<=(level.charAt(level.length-1))))
{
temp=parse(temp)
level=level.slice(0,-1)
}
if (temp.match(/^(.*\d[\+\-\*\/\%\^\&\|x])?([+-]?[0-9a-f\.]+)$/))
document.calc.display.value=RegExp.$2
stack=stack.substr(0,stack.lastIndexOf("(")+1)+temp+join
document.calc.operator.value=" "+join+" "
level=level+newlevel
}
//括号
function addbracket()
{
endNumber=true
document.calc.display.value=0
stack=stack+"("
document.calc.operator.value=" "
level=level+0
layer+=1
document.calc.bracket.value="(="+layer
}
function disbracket()
{
endNumber=true
var temp=stack.substr(stack.lastIndexOf("(")+1)+document.calc.display.value
while ((level.charAt(level.length-1))>0)
{
temp=parse(temp)
level=level.slice(0,-1)
}
document.calc.display.value=temp
stack=stack.substr(0,stack.lastIndexOf("("))
document.calc.operator.value=" "
level=level.slice(0,-1)
layer-=1
if (layer>0)
document.calc.bracket.value="(="+layer
else
document.calc.bracket.value=""
}
//等号
function result()
{
endNumber=true
while (layer>0)
disbracket()
var temp=stack+document.calc.display.value
while ((level.charAt(level.length-1))>0)
{
temp=parse(temp)
level=level.slice(0,-1)
}
document.calc.display.value=temp
document.calc.bracket.value=""
document.calc.operator.value=""
stack=""
level="0"
}
//修改键
function backspace()
{
if (!endNumber)
{
if(document.calc.display.value.length>1)
document.calc.display.value=document.calc.display.value.substring(0,document.calc.display.value.length - 1)
else
document.calc.display.value=0
}
}
function clearall()
{
document.calc.display.value=0
endNumber=true
stack=""
level="0"
layer=""
document.calc.operator.value=""
document.calc.bracket.value=""
}
//转换键
function inputChangCarry(newcarry)
{
endNumber=true
document.calc.display.value=(decto(todec(document.calc.display.value,carry),newcarry))
carry=newcarry
document.calc.sin.disabled=(carry!=10)
document.calc.cos.disabled=(carry!=10)
document.calc.tan.disabled=(carry!=10)
document.calc.bt.disabled=(carry!=10)
document.calc.pi.disabled=(carry!=10)
document.calc.e.disabled=(carry!=10)
document.calc.kp.disabled=(carry!=10)
document.calc.k2.disabled=(carry<=2)
document.calc.k3.disabled=(carry<=2)
document.calc.k4.disabled=(carry<=2)
document.calc.k5.disabled=(carry<=2)
document.calc.k6.disabled=(carry<=2)
document.calc.k7.disabled=(carry<=2)
document.calc.k8.disabled=(carry<=8)
document.calc.k9.disabled=(carry<=8)
document.calc.ka.disabled=(carry<=10)
document.calc.kb.disabled=(carry<=10)
document.calc.kc.disabled=(carry<=10)
document.calc.kd.disabled=(carry<=10)
document.calc.ke.disabled=(carry<=10)
document.calc.kf.disabled=(carry<=10)
}
function inputChangAngle(angletype)
{
endNumber=true
angle=angletype
if (angle=="d")
document.calc.display.value=radiansToDegress(document.calc.display.value)
else
document.calc.display.value=degressToRadians(document.calc.display.value)
endNumber=true
}
function inputshift()
{
if (document.calc.shiftf.checked)
{
document.calc.bt.value="deg "
document.calc.ln.value="exp "
document.calc.log.value="expd"
if (document.calc.hypf.checked)
{
document.calc.sin.value="ahs "
document.calc.cos.value="ahc "
document.calc.tan.value="aht "
}
else
{
document.calc.sin.value="asin"
document.calc.cos.value="acos"
document.calc.tan.value="atan"
}
document.calc.sqr.value="x^.5"
document.calc.cube.value="x^.3"
document.calc.floor.value="小数"
}
else
{
document.calc.bt.value="d.ms"
document.calc.ln.value=" ln "
document.calc.log.value="log "
if (document.calc.hypf.checked)
{
document.calc.sin.value="hsin"
document.calc.cos.value="hcos"
document.calc.tan.value="htan"
}
else
{
document.calc.sin.value="sin "
document.calc.cos.value="cos "
document.calc.tan.value="tan "
}
document.calc.sqr.value="x^2 "
document.calc.cube.value="x^3 "
document.calc.floor.value="取整"
}
}
//存储器部分
function clearmemory()
{
mem=0
document.calc.memory.value=" "
}
function getmemory()
{
endNumber=true
document.calc.displa
Calculator【纯JavaScript实现的网页计算器
5星 · 超过95%的资源 需积分: 15 122 浏览量
2009-06-23
10:46:46
上传
评论
收藏 10KB RAR 举报 
Calculator【纯JavaScript实现的网页计算器】.rar （3个子文件） 
codefans.net Calculator 
Calculator.htm 25KB
logo.gif 4KB common.css 998B资源评论
zhanshenguanqi2013-03-22功能很多，不错- zhangli10159212013-05-04对我上学期的web实验报告很有帮助
- chaoli09182013-01-07还可以，不过好像有的功能不能实现
