功能很全的精品JS计算器

网页特效|XFBBS.Com|---功能很全的精品计算器

P {
FONT-SIZE: 9pt; FONT-FAMILY: "Verdana"
}
TD {
FONT-SIZE: 9pt; LINE-HEIGHT: normal
}
A {
FONT-SIZE: 9pt; TEXT-TRANSFORM: none; COLOR: #326969; TEXT-DECORATION: none
}
A:hover {
FONT-SIZE: 9pt; LEFT: 1px; COLOR: #0000ff; POSITION: relative; TOP: 1px; TEXT-DECORATION: none
}
BODY {
FONT-SIZE: 9pt; CURSOR: url('body.cur'); SCROLLBAR-ARROW-COLOR: #ffffff; SCROLLBAR-BASE-COLOR: #cde0c2
}
.diary_tb {
WIDTH: 100%; WORD-BREAK: break-all; FONT-FAMILY: "Verdana","宋体"; POSITION: relative; TEXT-ALIGN: center; WORD-WRAP: break-word
}
.diary_main {
TABLE-LAYOUT: fixed; BACKGROUND-POSITION: left top; FONT-SIZE: 12px; COLOR: #005782; WORD-BREAK: break-all; LINE-HEIGHT: 24px; FONT-FAMILY: "宋体"; LINE-BREAK: strict; HEIGHT: 2px; TEXT-ALIGN: left
}

=48 && index=48 && index=48 && index=97 && index0)
{
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=(carry0)
return(log(num))
if (fun=="exp")
return(exp(num))
if (fun=="log" && num>0)
return(log(num)*LOG10E)
if (fun=="expdec")
return(pow(10,num))

if (fun=="cube")
return(num*num*num)
if (fun=="cubt")
return(pow(num,1/3))
if (fun=="sqr")
return(num*num)
if (fun=="sqrt" && num>=0)
return(sqrt(num))

if (fun=="!")
return(factorial(num))

if (fun=="recip" && num!=0)
return(1/num)

if (fun=="dms")
return(dms(num))
if (fun=="deg")
return(deg(num))

if (fun=="~")
return(~num)

if (angle=="d")
{
if (fun=="sin")
return(sin(degressToRadians(num)))
if (fun=="cos")
return(cos(degressToRadians(num)))
if (fun=="tan")
return(tan(degressToRadians(num)))

if (fun=="arcsin" && abs(num)0;n-=1)
fac*=n
return(fac)
}

function dms(n)
{
var neg=(n