很剽悍的在线科学计算器

2012-10-18

很强悍的在线科学计算器?!DOCTYPE HTML PUBLIC -//W3C//DTD HTML 4.0 Transitional//ENHTMLHEADT

很强悍的在线科学计算器

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">

<HTML><HEAD><TITLE>计算器,在线网页计算器</TITLE>

<META http-equiv=refresh content=500><BASE?

onmouseover="window.status='计算器 ? ?| ?QQ：7031633';return true">

var TwoLevel_nCnt = 100;

function TwoLevel_IESetup() {

??var aTmp2, i, j, oLI, oTmp;

??var aTmp = xGetElementsByClassName("twolevel", document, "ul");

??if (aTmp.length) {

?? ?for (i=0;i<aTmp.length;i++) {

?? ? ?aTmp2 = aTmp[i].getElementsByTagName("li");

?? ? ?for (j=0;j<aTmp2.length;j++) {

?? ? ? ?oLI = aTmp2[j];

?? ? ? ?if (oTmp = oLI.getElementsByTagName("ul")) {

?? ? ? ? ?oLI.UL = oTmp[0];

?? ? ? ? ?oLI.onmouseenter = function() {

?? ? ? ? ? ?this.className += " twolevelhover";

?? ? ? ? ?};

?? ? ? ? ?oLI.onmouseleave = function() {

?? ? ? ? ? ?this.className = this.className.replace(/twolevelhover/,"");

?? ? ? ? ?};

?? ? ? ?}

?? ? ?}

?? ?}

??} else if (TwoLevel_nCnt < 2000) {

?? ?setTimeout("TwoLevel_IESetup()", TwoLevel_nCnt);

?? ?TwoLevel_nCnt *= 2.5;

?? ?TwoLevel_nCnt = parseInt(TwoLevel_nCnt, 10);

??}

}

var TwoLevel_proto = "javascript:void(0)";

if (location.protocol == "https:") TwoLevel_proto = "src=//0";

document.write("<scr"+"ipt id=__ie_onload defer " + TwoLevel_proto + "><\/scr"+"ipt>");

var TwoLevel_script = document.getElementById("__ie_onload");

TwoLevel_script.onreadystatechange = function() {

??if (this.readyState == "complete") {

?? ?TwoLevel_IESetup();

??}

};

function xGetElementsByClassName(clsName, parentEle, tagName) {

??var elements = null;

??var found = new Array();

??var re = new RegExp('\\b'+clsName+'\\b');

??if (!parentEle) parentEle = document;

??if (!tagName) tagName = '*';

??if (parentEle.getElementsByTagName) {elements = parentEle.getElementsByTagName(tagName);}

??else if (document.all) {elements = document.all.tags(tagName);}

??if (elements) {

?? ?for (var i = 0; i < elements.length; ++i) {

?? ? ?if (elements[i].className.search(re) != -1) {

?? ? ? ?found[found.length] = elements[i];

?? ? ?}

?? ?}

??}

??return found;

}

</SCRIPT>

<!--

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="x2 "

document.calc.cube.value="x3 "

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(leftright,carry))

if (join=="<")

return(decto(left<<right,carry))

alert("除数不能为零")

return(left)

}

//函数计算

function funcalc(fun,num)

{

with(Math)

{

if (fun=="pi")

return(PI)

if (fun=="e")

return(E)

if (fun=="abs")

return(abs(num))

if (fun=="ceil")

return(ceil(num))

if (fun=="round")

return(round(num))

if (fun=="floor")

return(floor(num))

if (fun=="deci")

return(num-floor(num))

if (fun=="ln" && num>0)

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)<=1)

return(radiansToDegress(asin(num)))

if (fun=="arccos" && abs(num)<=1)

return(radiansToDegress(acos(num)))

if (fun=="arctan")

return(radiansToDegress(atan(num)))

}

else

{

if (fun=="sin")

return(sin(num))

if (fun=="cos")

return(cos(num))

if (fun=="tan")

return(tan(num))

if (fun=="arcsin" && abs(num)<=1)

return(asin(num))

if (fun=="arccos" && abs(num)<=1)

return(acos(num))

if (fun=="arctan")

return(atan(num))

}

if (fun=="hypsin")

return((exp(num)-exp(0-num))*0.5)

if (fun=="hypcos")

return((exp(num)+exp(-num))*0.5)

if (fun=="hyptan")

return((exp(num)-exp(-num))/(exp(num)+exp(-num)))

if (fun=="ahypsin" | fun=="hypcos" | fun=="hyptan")

{

alert("对不起,公式还没有查到!")

return(num)

}

alert("超出函数定义范围")

return(num)

}

function factorial(n)

{

n=Math.abs(parseInt(n))

var fac=1

for (;n>0;n-=1)

fac*=n

return(fac)

}

function dms(n)

{

var neg=(n<0)

with(Math)

{

n=abs(n)

var d=floor(n)

var m=floor(60*(n-d))

var s=(n-d)*60-m

}

var dms=d+m/100+s*0.006

if (neg)

dms=-dms

return(dms)

}

function deg(n)

{

var neg=(n<0)

with(Math)

{

n=abs(n)

var d=floor(n)

var m=floor((n-d)*100)

var s=(n-d)*100-m

}

var deg=d+m/60+s/36

if (neg)

deg=-deg

return(deg)

}

function degressToRadians(degress)

{

return(degress*Math.PI/180)

}

function radiansToDegress(radians)

{

return(radians*180/Math.PI)

}

//界面

//-->

??</SCRIPT>

<BR>

<TABLE class=tb cellSpacing=1 borderColorDark=#ffffff cellPadding=6 width=700?

align=center bgColor=#666666 border=0>

<TBODY>

<TD align=middle height=24><B><FONT color=#0000ff?

size=4>在线科学计算器</FONT></B></TD></TR>

<TR>

<TBODY>

<TD>

</TD></TR></TBODY></TABLE>

<TBODY>

<TR>

<TD align=middle width=500><INPUT readOnly size=67 value=0 name=display>?

</TD></TR></TBODY></TABLE></TD></TR>

<TR>

<TBODY>

<TR>

<TD width=320><INPUT onclick=inputChangCarry(16) type=radio name=carry> 十六进制?

<INPUT onclick=inputChangCarry(10) type=radio CHECKED name=carry> 十进制 <INPUT?

onclick=inputChangCarry(8) type=radio name=carry> 八进制 <INPUT?

onclick=inputChangCarry(2) type=radio name=carry> 二进制 </TD>

<TD width=150><INPUT onclick="inputChangAngle('d')" type=radio CHECKED value=d?

name=angle> 角度制 <INPUT onclick="inputChangAngle('r')" type=radio value=r?

name=angle> 弧度制 </TD></TR></TBODY></TABLE>

<TBODY>

<TR>

<TD width=175><INPUT onclick=inputshift() type=checkbox value=ON name=shiftf>?

上档功能 <INPUT onclick=inputshift() type=checkbox value=ON name=hypf> 双曲函数 </TD>

<TD><INPUT style="BACKGROUND-COLOR: lightgrey" readOnly size=3 name=bracket>?

<INPUT style="BACKGROUND-COLOR: lightgrey" readOnly size=3 name=memory> <INPUT?

style="BACKGROUND-COLOR: lightgrey" readOnly size=3 name=operator> </TD>

<TD width=183><INPUT style="COLOR: red" onclick=backspace() type=button value=" 退格 ">?

<INPUT style="COLOR: red" onclick="document.calc.display.value = 0 " type=button value=" 清屏 ">?

<INPUT style="COLOR: red" onclick=clearall() type=button value=" 全清">?

</TD></TR></TBODY></TABLE>

<TBODY>

<TR>

<TD>

<TBODY>

<TD><INPUT style="COLOR: blue" onclick="inputfunction('pi','pi')" type=button value=" PI " name=pi>?

</TD>

<TD><INPUT style="COLOR: blue" onclick="inputfunction('e','e')" type=button value=" E ?" name=e>?

</TD>

<TD><INPUT style="COLOR: #ff00ff" onclick="inputfunction('dms','deg')" type=button value=d.ms name=bt>?

</TD></TR>

<TD><INPUT style="COLOR: #ff00ff" onclick=addbracket() type=button value=" ( ?">?

</TD>

<TD><INPUT style="COLOR: #ff00ff" onclick=disbracket() type=button value=" ) ?">?

</TD>

<TD><INPUT style="COLOR: #ff00ff" onclick="inputfunction('ln','exp')" type=button value=" ln " name=ln>?

</TD></TR>

<TD><INPUT style="COLOR: #ff00ff" onclick="inputtrig('sin','arcsin','hypsin','ahypsin')" type=button value="sin " name=sin>?

</TD>

<TD><INPUT style="COLOR: #ff00ff" onclick="operation('',7)" type=button value="xy ">?

</TD>

<TD><INPUT style="COLOR: #ff00ff" onclick="inputfunction('log','expdec')" type=button value="log " name=log>?

</TD></TR>

<TD><INPUT style="COLOR: #ff00ff" onclick="inputtrig('cos','arccos','hypcos','ahypcos')" type=button value="cos " name=cos>?

</TD>

<TD><INPUT style="COLOR: #ff00ff" onclick="inputfunction('cube','cubt')" type=button value="x3 " name=cube>?

</TD>

<TD><INPUT style="COLOR: #ff00ff" onclick="inputfunction('!','!')" type=button value=" n! ">?

</TD></TR>

<TD><INPUT style="COLOR: #ff00ff" onclick="inputtrig('tan','arctan','hyptan','ahyptan')" type=button value="tan " name=tan>?

</TD>

<TD><INPUT style="COLOR: #ff00ff" onclick="inputfunction('sqr','sqrt')" type=button value="x2 " name=sqr>?

</TD>

<TD><INPUT style="COLOR: #ff00ff" onclick="inputfunction('recip','recip')" type=button value="1/x ">?

</TD></TR></TBODY></TABLE></TD>

<TD>

<TABLE>

<TBODY>

<TR>

<TD><INPUT style="COLOR: red" onclick=putmemory() type=button value=" 储存 ">?

</TD></TR>

<TR>

<TD><INPUT style="COLOR: red" onclick=getmemory() type=button value=" 取存 ">?

</TD></TR>

<TR>

<TD><INPUT style="COLOR: red" onclick=addmemory() type=button value=" 累存 ">?

</TD></TR>

<TR>

<TD><INPUT style="COLOR: red" onclick=multimemory() type=button value=" 积存 ">?

</TD></TR>

<TR>

<TD height=33><INPUT style="COLOR: red" onclick=clearmemory() type=button value=" 清存 ">?

</TD></TR></TBODY></TABLE></TD>

<TD>

<TABLE>

<TBODY>

<TD><INPUT style="COLOR: blue" onclick="inputkey('7')" type=button value=" 7 " name=k7>?

</TD>

<TD><INPUT style="COLOR: blue" onclick="inputkey('8')" type=button value=" 8 " name=k8>?

</TD>

<TD><INPUT style="COLOR: blue" onclick="inputkey('9')" type=button value=" 9 " name=k9>?

</TD>

<TD><INPUT style="COLOR: red" onclick="operation('/',6)" type=button value=" / ">?

</TD>

<TD><INPUT style="COLOR: red" onclick="operation('%',6)" type=button value=取余>?

</TD>

<TD><INPUT style="COLOR: red" onclick="operation('&',3)" type=button value=" 与 ">?

</TD></TR>

<TD><INPUT style="COLOR: blue" onclick="inputkey('4')" type=button value=" 4 " name=k4>?

</TD>

<TD><INPUT style="COLOR: blue" onclick="inputkey('5')" type=button value=" 5 " name=k5>?

</TD>

<TD><INPUT style="COLOR: blue" onclick="inputkey('6')" type=button value=" 6 " name=k6>?

</TD>

<TD><INPUT style="COLOR: red" onclick="operation('*',6)" type=button value=" * ">?

</TD>

<TD><INPUT style="COLOR: red" onclick="inputfunction('floor','deci')" type=button value=取整 name=floor>?

</TD>

<TD><INPUT style="COLOR: red" onclick="operation('|',1)" type=button value=" 或 ">?

</TD></TR>

<TD><INPUT style="COLOR: blue" onclick="inputkey('1')" type=button value=" 1 ">?

</TD>

<TD><INPUT style="COLOR: blue" onclick="inputkey('2')" type=button value=" 2 " name=k2>?

</TD>

<TD><INPUT style="COLOR: blue" onclick="inputkey('3')" type=button value=" 3 " name=k3>?

</TD>

<TD><INPUT style="COLOR: red" onclick="operation('-',5)" type=button value=" - ">?

</TD>

<TD><INPUT style="COLOR: red" onclick="operation('<',4)" type=button value=左移>?

</TD>

<TD><INPUT style="COLOR: red" onclick="inputfunction('~','~')" type=button value=" 非 ">?

</TD></TR>

<TD><INPUT style="COLOR: blue" onclick="inputkey('0')" type=button value=" 0 ">?

</TD>

<TD><INPUT style="COLOR: blue" onclick="inputkey('.')" type=button value=" . " name=kp>?

</TD>

<TD><INPUT style="COLOR: red" onclick="operation('+',5)" type=button value=" + ">?

</TD>

<TD><INPUT style="COLOR: red" onclick="operation('x',2)" type=button value=异或>?

</TD></TR>

<TD><INPUT style="COLOR: blue" disabled onclick="inputkey('a')" type=button value=" A " name=ka>?

</TD>

<TD><INPUT style="COLOR: blue" disabled onclick="inputkey('b')" type=button value=" B " name=kb>?

</TD>

<TD><INPUT style="COLOR: blue" disabled onclick="inputkey('c')" type=button value=" C " name=kc>?

</TD>

<TD><INPUT style="COLOR: blue" disabled onclick="inputkey('d')" type=button value=" D " name=kd>?

</TD>

<TD><INPUT style="COLOR: blue" disabled onclick="inputkey('e')" type=button value=" E　" name=ke>?

</TD>

<TD><INPUT style="COLOR: blue" disabled onclick="inputkey('f')" type=button value=" F　" name=kf>?

</TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE></FORM><BR>

14 楼 java_xiaoyi 2011-03-18 1927105 写道一看就知道发帖不是很专业，，
+1 15 楼 lxtx517 2011-03-21 thanks;
quote it

热点排行

Web前端

很剽悍的在线科学计算器