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在线计算器
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "//www.w3.org/TR/html4/strict.dtd">
<!--STATUS OK-->
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gbk">
<title>在线计算器</title>
<style type="text/css" compress>
p,dl,dd,div,h1,h2,table,td,th,ul,ol,li,img,form,input{margin:0;padding:0}
a:link{color:#261cdc}
img{border:none}
body{margin:6px 0 0 0;background-color:#fff;color:#000;font-family:arial,\5b8b\4f53;}
#head{margin-left:8px;width:670px;height:54px}
#head_content{float:left;width:100%;font-size:12px}
#head_content_inner{margin: 0 100px 0 146px;zoom:1; _margin-left:0px}
#nav{margin:1px 0 4px;font-size:14px;}
#nav a{color:#261cdc}
#kw{font-size:16px;font-family:arial;width:333px}
#logo{float:left;width:146px; _margin-right:-3px}
#gaoji{float:right;width:100px;margin-left:-100px;padding-top:26px;font-size:12px;}
#tp{clear:both;font-size:12px;background-color:#d9e1f7;padding:0 12px 0 9px;height:20px;line-height:20px;margin:0 0 11px 0}
#tp a{color:#000}
#ft{line-height:20px;background:#E6E6E6;text-align:center;color:#77C;font-size:12px;width:100%}
#ft span{color:#666}
.main{clear:both;margin:20px 30px 20px 40px;width:auto;height:400px;}
h1{font-size:16px;margin-bottom:12px}
h2{font-size:16px;color:#000;}
th{font-weight:normal;}
#mini_calc{margin-top:8px;}
</style>
<script type="text/javascript" compress>
function h(obj,url){
try{
obj.style.behavior='url(#default#homepage)';
obj.setHomePage(url)
}catch(e){}
}
</script>
</head>
<body>
<div class="main">
<table border="0" cellpadding="0" cellspacing="0"><tr><td class="f">
<h2>在线计算器</h2>
<div id="mini_calc">
<!-- calculator start -->
<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)
document.calc.sin.style.color=(carry!=10)?"#aca899":"#DE0193";
document.calc.cos.style.color=(carry!=10)?"#aca899":"#DE0193";
document.calc.tan.style.color=(carry!=10)?"#aca899":"#DE0193";
document.calc.bt.style.color=(carry!=10)?"#aca899":"#DE0193";
document.calc.pi.style.color=(carry!=10)?"#aca899":"#0c2b87";
document.calc.e.style.color=(carry!=10)?"#aca899":"#0c2b87";
document.calc.kp.style.color=(carry!=10)?"#aca899":"#0c2b87";
document.calc.k2.style.color=(carry<=2)?"#aca899":"#0c2b87";
document.calc.k3.style.color=(carry<=2)?"#aca899":"#0c2b87";
document.calc.k4.style.color=(carry<=2)?"#aca899":"#0c2b87";
document.calc.k5.style.color=(carry<=2)?"#aca899":"#0c2b87";
document.calc.k6.style.color=(carry<=2)?"#aca899":"#0c2b87";
document.calc.k7.style.color=(carry<=2)?"#aca899":"#0c2b87";
document.calc.k8.style.color=(carry<=8)?"#aca899":"#0c2b87";
document.calc.k9.style.color=(carry<=8)?"#aca899":"#0c2b87";
document.calc.ka.style.color=(carry<=10)?"#aca899":"#0c2b87";
document.calc.kb.style.color=(carry<=10)?"#aca899":"#0c2b87";
document.calc.kc.style.color=(carry<=10)?"#aca899":"#0c2b87";
document.calc.kd.style.color=(carry<=10)?"#aca899":"#0c2b87";
document.calc.ke.style.color=(carry<=10)?"#aca899":"#0c2b87";
document.calc.kf.style.color=(carry<=10)?"#aca899":"#0c2b87";
document.calc.sin.style.cursor=(carry!=10)?"default":"pointer";
document.calc.cos.style.cursor=(carry!=10)?"default":"pointer";
document.calc.tan.style.cursor=(carry!=10)?"default":"pointer";
document.calc.bt.style.cursor=(carry!=10)?"default":"pointer";
document.calc.pi.style.cursor=(carry!=10)?"default":"pointer";
document.calc.e.style.cursor=(carry!=10)?"default":"pointer";
document.calc.kp.style.cursor=(carry!=10)?"default":"pointer";
document.calc.k2.style.cursor=(carry<=2)?"default":"pointer";
document.calc.k3.style.cursor=(carry<=2)?"default":"pointer";
document.calc.k4.style.cursor=(carry<=2)?"default":"pointer";
document.calc.k5.style.cursor=(carry<=2)?"default":"pointer";
document.calc.k6.style.cursor=(carry<=2)?"default":"pointer";
document.calc.k7.style.cursor=(carry<=2)?"default":"pointer";
document.calc.k8.style.cursor=(carry<=8)?"default":"pointer";
document.calc.k9.style.cursor=(carry<=8)?"default":"pointer";
document.calc.ka.style.cursor=(carry<=10)?"default":"pointer";
document.calc.kb.style.cursor=(carry<=10)?"default":"pointer";
document.calc.kc.style.cursor=(carry<=10)?"default":"pointer";
document.calc.kd.style.cursor=(carry<=10)?"default":"pointer";
document.calc.ke.style.cursor=(carry<=10)?"default":"pointer";
document.calc.kf.style.cursor=(carry<=10)?"default":"pointer";
}
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.display.value=decto(mem,carry)
}
function putmemory()
{
endNumber=true
if (document.calc.display.value!=0)
{
mem=todec(document.calc.display.value,carry)
document.calc.memory.value=" M "
}
else
document.calc.memory.value=" "
}
function addmemory()
{
endNumber=true
mem=parseFloat(mem)+parseFloat(todec(document.calc.display.value,carry))
if (mem==0)
document.calc.memory.value=" "
else
document.calc.memory.value=" M "
}
function multimemory()
{
endNumber=true
mem=parseFloat(mem)*parseFloat(todec(document.calc.display.value,carry))
if (mem==0)
document.calc.memory.value=" "
else
document.calc.memory.value=" M "
}
//十进制转换
function todec(num,oldcarry)
{
if (oldcarry==10 || num==0) return(num)
var neg=(num.charAt(0)=="-")
if (neg) num=num.substr(1)
var newnum=0
for (var index=1;index<=num.length;index++)
newnum=newnum*oldcarry+hexnum.indexOf(num.charAt(index-1))
if (neg)
newnum=-newnum
return(newnum)
}
function decto(num,newcarry)
{
var neg=(num<0)
if (newcarry==10 || num==0) return(num)
num=""+Math.abs(num)
var newnum=""
while (num!=0)
{
newnum=hexnum.charAt(num%newcarry)+newnum
num=Math.floor(num/newcarry)
}
if (neg)
newnum="-"+newnum
return(newnum)
}
//表达式解析
function parse(string)
{
if (string.match(/^(.*\d[\+\-\*\/\%\^\&\|x\<])?([+-]?[0-9a-f\.]+)([\+\-\*\/\%\^\&\|x\<])([+-]?[0-9a-f\.]+)$/))
return(RegExp.$1+cypher(RegExp.$2,RegExp.$3,RegExp.$4))
else
return(string)
}
//数学运算和位运算
function cypher(left,join,right)
{
left=todec(left,carry)
right=todec(right,carry)
if (join=="+")
return(decto(parseFloat(left)+parseFloat(right),carry))
if (join=="-")
return(decto(left-right,carry))
if (join=="*")
return(decto(left*right,carry))
if (join=="/" && right!=0)
return(decto(left/right,carry))
if (join=="%")
return(decto(left%right,carry))
if (join=="&")
return(decto(left&right,carry))
if (join=="|")
return(decto(left|right,carry))
if (join=="^")
return(decto(Math.pow(left,right),carry))
if (join=="x")
return(decto(left^right,carry))
if (join=="<")
return(decto(left<<right,carry))
alert(&
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