功能很全的精品JS计算器

<br /> <title>网页特效|xfbbs.com|---<a href="https://www.kunjuke.com/tag/27/" title="功能" target="_blank">功能</a>很全的<a href="https://www.kunjuke.com/tag/113060/" title="精品" target="_blank">精品</a><a href="https://www.kunjuke.com/tag/4117/" title="计算器" target="_blank">计算器</a></title> </p> <p>p {<br /> font-size: 9pt; font-family: "verdana"<br /> }<br /> td {<br /> font-size: 9pt; line-height: normal<br /> }<br /> a {<br /> font-size: 9pt; text-transform: none; color: #326969; text-decoration: none<br /> }<br /> a:hover {<br /> font-size: 9pt; left: 1px; color: #0000ff; position: relative; top: 1px; text-decoration: none<br /> }<br /> body {<br /> font-size: 9pt; cursor: url('body.cur'); scrollbar-arrow-color: #ffffff; scrollbar-base-color: #cde0c2<br /> }<br /> .diary_tb {<br /> width: 100%; word-break: break-all; font-family: "verdana","宋体"; position: relative; text-align: center; word-wrap: break-word<br /> }<br /> .diary_main {<br /> 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<br /> } </p> <table id="autonumber2" style="border-collapse: collapse" cellspacing="0" cellpadding="0" width="760" border="0"> </table> <p><!-- 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=48 && index=48 && index=97 && index<=102))))<br /> if(endnumber)<br /> {<br /> endnumber=false<br /> document.calc.display.value = key<br /> }<br /> else if(document.calc.display.value == null || document.calc.display.value == "0")<br /> document.calc.display.value = key<br /> else<br /> document.calc.display.value += key<br /> } </p> <p>function changesign()<br /> {<br /> if (document.calc.display.value!="0")<br /> if(document.calc.display.value.substr(0,1) == "-")<br /> document.calc.display.value = document.calc.display.value.substr(1)<br /> else<br /> document.calc.display.value = "-" + document.calc.display.value<br /> } </p> <p>//函数键 </p> <p>function inputfunction(fun,shiftfun)<br /> {<br /> endnumber=true<br /> if (document.calc.shiftf.checked)<br /> document.calc.display.value=decto(funcalc(shiftfun,(todec(document.calc.display.value,carry))),carry)<br /> else<br /> document.calc.display.value=decto(funcalc(fun,(todec(document.calc.display.value,carry))),carry)<br /> document.calc.shiftf.checked=false<br /> document.calc.hypf.checked=false<br /> inputshift()<br /> } </p> <p>function inputtrig(trig,arctrig,hyp,archyp)<br /> {<br /> if (document.calc.hypf.checked)<br /> inputfunction(hyp,archyp)<br /> else<br /> inputfunction(trig,arctrig)<br /> } </p> <p>//运算符 </p> <p>function operation(join,newlevel)<br /> {<br /> endnumber=true<br /> var temp=stack.substr(stack.lastindexof("(")+1)+document.calc.display.value<br /> while (newlevel!=0 && (newlevel0)<br /> {<br /> temp=parse(temp)<br /> level=level.slice(0,-1)<br /> } </p> <p>document.calc.display.value=temp<br /> stack=stack.substr(0,stack.lastindexof("("))<br /> document.calc.operator.value=" "<br /> level=level.slice(0,-1) </p> <p>layer-=1<br /> if (layer>0)<br /> document.calc.bracket.value="(="+layer<br /> else<br /> document.calc.bracket.value=""<br /> } </p> <p>//等号 </p> <p>function result()<br /> {<br /> endnumber=true<br /> while (layer>0)<br /> disbracket()<br /> var temp=stack+document.calc.display.value<br /> while ((level.charat(level.length-1))>0)<br /> {<br /> temp=parse(temp)<br /> level=level.slice(0,-1)<br /> } </p> <p>document.calc.display.value=temp<br /> document.calc.bracket.value=""<br /> document.calc.operator.value=""<br /> stack=""<br /> level="0"<br /> } </p> <p>//修改键 </p> <p>function backspace()<br /> {<br /> if (!endnumber)<br /> {<br /> if(document.calc.display.value.length>1)<br /> document.calc.display.value=document.calc.display.value.substring(0,document.calc.display.value.length - 1)<br /> else<br /> document.calc.display.value=0<br /> }<br /> } </p> <p>function clearall()<br /> {<br /> document.calc.display.value=0<br /> endnumber=true<br /> stack=""<br /> level="0"<br /> layer=""<br /> document.calc.operator.value=""<br /> document.calc.bracket.value=""<br /> } </p> <p>//转换键 </p> <p>function inputchangcarry(newcarry)<br /> {<br /> endnumber=true<br /> document.calc.display.value=(decto(todec(document.calc.display.value,carry),newcarry))<br /> carry=newcarry </p> <p>document.calc.sin.disabled=(carry!=10)<br /> document.calc.cos.disabled=(carry!=10)<br /> document.calc.tan.disabled=(carry!=10)<br /> document.calc.bt.disabled=(carry!=10)<br /> document.calc.pi.disabled=(carry!=10)<br /> document.calc.e.disabled=(carry!=10)<br /> document.calc.kp.disabled=(carry!=10) </p> <p>document.calc.k2.disabled=(carry<=2)<br /> document.calc.k3.disabled=(carry<=2)<br /> document.calc.k4.disabled=(carry<=2)<br /> document.calc.k5.disabled=(carry<=2)<br /> document.calc.k6.disabled=(carry<=2)<br /> document.calc.k7.disabled=(carry<=2)<br /> document.calc.k8.disabled=(carry<=8)<br /> document.calc.k9.disabled=(carry<=8)<br /> document.calc.ka.disabled=(carry<=10)<br /> document.calc.kb.disabled=(carry<=10)<br /> document.calc.kc.disabled=(carry<=10)<br /> document.calc.kd.disabled=(carry<=10)<br /> document.calc.ke.disabled=(carry<=10)<br /> document.calc.kf.disabled=(carry<=10) </p> <p>} </p> <p>function inputchangangle(angletype)<br /> {<br /> endnumber=true<br /> angle=angletype<br /> if (angle=="d")<br /> document.calc.display.value=radianstodegress(document.calc.display.value)<br /> else<br /> document.calc.display.value=degresstoradians(document.calc.display.value)<br /> endnumber=true<br /> } </p> <p>function inputshift()<br /> {<br /> if (document.calc.shiftf.checked)<br /> {<br /> document.calc.bt.value="deg "<br /> document.calc.ln.value="exp "<br /> document.calc.log.value="expd" </p> <p>if (document.calc.hypf.checked)<br /> {<br /> document.calc.sin.value="ahs "<br /> document.calc.cos.value="ahc "<br /> document.calc.tan.value="aht "<br /> }<br /> else<br /> {<br /> document.calc.sin.value="asin"<br /> document.calc.cos.value="acos"<br /> document.calc.tan.value="atan"<br /> } </p> <p>document.calc.sqr.value="x^.5"<br /> document.calc.cube.value="x^.3" </p> <p>document.calc.floor.value="小数"<br /> }<br /> else<br /> {<br /> document.calc.bt.value="d.ms"<br /> document.calc.ln.value=" ln "<br /> document.calc.log.value="log " </p> <p>if (document.calc.hypf.checked)<br /> {<br /> document.calc.sin.value="hsin"<br /> document.calc.cos.value="hcos"<br /> document.calc.tan.value="htan"<br /> }<br /> else<br /> {<br /> document.calc.sin.value="sin "<br /> document.calc.cos.value="cos "<br /> document.calc.tan.value="tan "<br /> } </p> <p>document.calc.sqr.value="x^2 "<br /> document.calc.cube.value="x^3 " </p> <p>document.calc.floor.value="取整"<br /> } </p> <p>}<br /> //存储器部分 </p> <p>function clearmemory()<br /> {<br /> mem=0<br /> document.calc.memory.value=" "<br /> } </p> <p>function getmemory()<br /> {<br /> endnumber=true<br /> document.calc.display.value=decto(mem,carry)<br /> } </p> <p>function putmemory()<br /> {<br /> endnumber=true<br /> if (document.calc.display.value!=0)<br /> {<br /> mem=todec(document.calc.display.value,carry)<br /> document.calc.memory.value=" m "<br /> }<br /> else<br /> document.calc.memory.value=" "<br /> } </p> <p>function addmemory()<br /> {<br /> endnumber=true<br /> mem=parsefloat(mem)+parsefloat(todec(document.calc.display.value,carry))<br /> if (mem==0)<br /> document.calc.memory.value=" "<br /> else<br /> document.calc.memory.value=" m "<br /> } </p> <p>function multimemory()<br /> {<br /> endnumber=true<br /> mem=parsefloat(mem)*parsefloat(todec(document.calc.display.value,carry))<br /> if (mem==0)<br /> document.calc.memory.value=" "<br /> else<br /> document.calc.memory.value=" m "<br /> } </p> <p>//十进制转换 </p> <p>function todec(num,oldcarry)<br /> {<br /> if (oldcarry==10 || num==0) return(num)<br /> var neg=(num.charat(0)=="-")<br /> if (neg) num=num.substr(1)<br /> var newnum=0<br /> for (var index=1;index<=num.length;index++)<br /> newnum=newnum*oldcarry+hexnum.indexof(num.charat(index-1))<br /> if (neg)<br /> newnum=-newnum<br /> return(newnum)<br /> } </p> <p>function decto(num,newcarry)<br /> {<br /> var neg=(num<0)<br /> if (newcarry==10 || num==0) return(num)<br /> num=""+math.abs(num)<br /> var newnum=""<br /> while (num!=0)<br /> {<br /> newnum=hexnum.charat(num%newcarry)+newnum<br /> num=math.floor(num/newcarry)<br /> }<br /> if (neg)<br /> newnum="-"+newnum<br /> return(newnum)<br /> } </p> <p>//表达式解析 </p> <p>function parse(string)<br /> {<br /> if (string.match(/^(.*\d[\+\-\*\/\%\^\&\|x\<])?([+-]?[0-9a-f\.]+)([\+\-\*\/\%\^\&\|x\<])([+-]?[0-9a-f\.]+)$/))<br /> return(regexp.$1+cypher(regexp.$2,regexp.$3,regexp.$4))<br /> else<br /> return(string)<br /> } </p> <p>//数学运算和位运算 </p> <p>function cypher(left,join,right)<br /> {<br /> left=todec(left,carry)<br /> right=todec(right,carry)<br /> if (join=="+")<br /> return(decto(parsefloat(left)+parsefloat(right),carry))<br /> if (join=="-")<br /> return(decto(left-right,carry))<br /> if (join=="*")<br /> return(decto(left*right,carry))<br /> if (join=="/" && right!=0)<br /> return(decto(left/right,carry))<br /> if (join=="%")<br /> return(decto(left%right,carry))<br /> if (join=="&")<br /> return(decto(left&right,carry))<br /> if (join=="|")<br /> return(decto(left|right,carry))<br /> if (join=="^")<br /> return(decto(math.pow(left,right),carry))<br /> if (join=="x")<br /> return(decto(left^right,carry))<br /> if (join=="<")<br /> return(decto(left<0)<br /> return(log(num))<br /> if (fun=="exp")<br /> return(exp(num))<br /> if (fun=="log" && num>0)<br /> return(log(num)*log10e)<br /> if (fun=="expdec")<br /> return(pow(10,num)) </p> <p>if (fun=="cube")<br /> return(num*num*num)<br /> if (fun=="cubt")<br /> return(pow(num,1/3))<br /> if (fun=="sqr")<br /> return(num*num)<br /> if (fun=="sqrt" && num>=0)<br /> return(sqrt(num)) </p> <p>if (fun=="!")<br /> return(factorial(num)) </p> <p>if (fun=="recip" && num!=0)<br /> return(1/num) </p> <p>if (fun=="dms")<br /> return(dms(num))<br /> if (fun=="deg")<br /> return(deg(num)) </p> <p>if (fun=="~")<br /> return(~num) </p> <p>if (angle=="d")<br /> {<br /> if (fun=="sin")<br /> return(sin(degresstoradians(num)))<br /> if (fun=="cos")<br /> return(cos(degresstoradians(num)))<br /> if (fun=="tan")<br /> return(tan(degresstoradians(num))) </p> <p>if (fun=="arcsin" && abs(num)<=1)<br /> return(radianstodegress(asin(num)))<br /> if (fun=="arccos" && abs(num)<=1)<br /> return(radianstodegress(acos(num)))<br /> if (fun=="arctan")<br /> return(radianstodegress(atan(num)))<br /> }<br /> else<br /> {<br /> if (fun=="sin")<br /> return(sin(num))<br /> if (fun=="cos")<br /> return(cos(num))<br /> if (fun=="tan")<br /> return(tan(num)) </p> <p>if (fun=="arcsin" && abs(num)<=1)<br /> return(asin(num))<br /> if (fun=="arccos" && abs(num)0;n-=1)<br /> fac*=n<br /> return(fac)<br /> } </p> <p>function dms(n)<br /> {<br /> var neg=(n<0)<br /> with(math)<br /> {<br /> n=abs(n)<br /> var d=floor(n)<br /> var m=floor(60*(n-d))<br /> var s=(n-d)*60-m<br /> }<br /> var dms=d+m/100+s*0.006<br /> if (neg)<br /> dms=-dms<br /> return(dms)<br /> } </p> <p>function deg(n)<br /> {<br /> var neg=(n </p> <table id="autonumber2" style="border-collapse: collapse" cellspacing="0" cellpadding="0" width="760" border="0"> <tbody> <tr> <table id="autonumber5" style="border-collapse: collapse" cellspacing="0" cellpadding="0" width="93%" border="0"> <tbody> <td align="middle" width="100%" bgcolor="#dbe8d2" height="30"> <p>　 </p> <table width="500" border="0"> <tbody> <tr> <td bgcolor="#ecf4ec" height="50"> <table width="500"> <tbody> <tr> <td width="486"> </td> </tr> </tbody> </table> </td> </tr> <tr> <td bgcolor="#ecf4ec"> <table width="500"> <tbody> <tr> <td width="290"> 十六进制<br /> 十进制 八进制 二进制 </td> <td></td> <td width="135"> 角度制 弧度制 </td> </tr> </tbody> </table> <table width="500"> <tbody> <tr> <td width="170">上档功能 双曲函数 </td> <td> </td> <td width="183"> </td> </tr> </tbody> </table> <table width="500"> <tbody> <tr> <td> <table> <tbody> <tr align="middle"> <td> </td> <td> </td> <td> </td> </tr> <tr align="middle"> <td> </td> <td> </td> <td> </td> </tr> <tr align="middle"> <td> </td> <td> </td> <td> </td> </tr> <tr align="middle"> <td> </td> <td> </td> <td> </td> </tr> <tr align="middle"> <td> </td> <td> </td> <td> </td> </tr> </tbody> </table> </td> <td width="30"></td> <td> <table> <tbody> <tr> <td> </td> </tr> <tr> <td> </td> </tr> <tr> <td> </td> </tr> <tr> <td> </td> </tr> <tr> <td height="33"> </td> </tr> </tbody> </table> </td> <td width="30"></td> <td> <table> <tbody> <tr align="middle"> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> </tr> <tr align="middle"> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> </tr> <tr align="middle"> <td> </td> <td> </td> <td> </td> <td> </td> <td><input style="color: red" onclick="operation(' </td> <td> </td> </tr> <tr align="middle"> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> </tr> <tr align="middle"> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> </tr> </tbody> </table> </td> </tr> </tbody> </table> </td> </tr> </tbody> </table> </td> </tbody> </table> </tr> </tbody> </table> <p>