答案： <HTML><HEAD><TITLE>网页特效|XFBBS.Com|---功能很全的精品计算器</TITLE> <META http-equiv=Content-Type content="text/html; charset=gb2312"> <META http-equiv=Content-Language content=zh-cn> <META http-equiv=Page-Enter content=blendTrans(Duration=0.5)> <META http-equiv=Page-Exit content=blendTrans(Duration=0.5)> <STYLE type=text/css>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 } </STYLE> <META content="MSHTML 6.00.2600.0" name=GENERATOR></HEAD> <CENTER> <TABLE id=AutoNumber2 style="BORDER-COLLAPSE: collapse" borderColor=#808080 cellSpacing=0 cellPadding=0 width=760 border=0> </TABLE> <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.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;inde</pre><p>上一个：<a href="/show/c92cf638835e0435.htm">发两个小东西，ASP/PHP 学习工具。 用JavaScript写的</a><br/>下一个：<a href="/show/6a2bc0cc59c90813.htm">从Ajax到JQuery Ajax学习</a></p><div class="piclist">更多图片编程知识:<ul><li><a href="/show/2a46962186c018d1.htm"><img src='/upload/2013111604/20121108103444433.png' width=105 height=105><br/>心得2--JSP语法介绍，以及一个JSP页面九九表案例</a></li><li><a href="/show/9e16dbf8a877499d.htm"><img 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