功能很全的精品计算器



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CODE:
<HTML><HEAD><TITLE>php爱好者</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>{
    
FONT-SIZE9ptFONT-FAMILY"Verdana"
}
TD {
    
FONT-SIZE9ptLINE-HEIGHTnormal
}
{
    
FONT-SIZE9ptTEXT-TRANSFORMnoneCOLOR#326969; TEXT-DECORATION: none
}
A:hover {
    
FONT-SIZE9ptLEFT1pxCOLOR#0000ff; POSITION: relative; TOP: 1px; TEXT-DECORATION: none
}
BODY {
    
FONT-SIZE9ptCURSORurl('body.cur'); SCROLLBAR-ARROW-COLOR#ffffff; SCROLLBAR-BASE-COLOR: #cde0c2
}
.
diary_tb {
    
WIDTH100%; WORD-BREAK: break-allFONT-FAMILY"Verdana","宋体"POSITIONrelativeTEXT-ALIGNcenterWORD-WRAP: break-word
}
.
diary_main {
    
TABLE-LAYOUTfixedBACKGROUND-POSITIONleft topFONT-SIZE12pxCOLOR#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==&& (index==48 || index==49))
|| (
carry==&& 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!=&& (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 (
negnum=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("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>

<
DIV align=center>
<
CENTER>
<
TABLE id=AutoNumber2 style="BORDER-COLLAPSE: collapse" borderColor=#808080 
cellSpacing=0 cellPadding=0 width=760 border=0>
  <
TBODY>
  <
TR>
    <
TABLE id=AutoNumber5 style="BORDER-COLLAPSE: collapse" 
      
borderColor=#808080 height=30 cellSpacing=0 cellPadding=0 width="93%" 
      
border=0>
        <
TBODY>
          <
TD align=middle width="100%" bgColor=#dbe8d2 height=30>
            
<P> 
            
<DIV align=center>
            <
FORM name=calc>
            <
TABLE height=250 width=500 border=0>
              <
TBODY>
              <
TR>
                <
TD bgColor=#ecf4ec height=50>
                  
<TABLE width=500>
                    <
TBODY>
                    <
TR>
                      <
TD width=486>
                        <
DIV align=center><FONT face=Verdana><INPUT readOnly 
                        size
=67 value=
                  name
=display></FONT></DIV></TD></TR></TBODY></TABLE></TD></TR>
              <
TR>
                <
TD bgColor=#ecf4ec>
                  
<TABLE width=500>
                    <
TBODY>
                    <
TR>
                      <
TD width=290><FONT face=Verdana><INPUT 
                        onclick
=inputChangCarry(16type=radio name=carry十六进制 
                        
<INPUT onclick=inputChangCarry(10type=radio CHECKED 
                        name
=carry十进制 <INPUT onclick=inputChangCarry(8
                        
type=radio name=carry八进制 <INPUT 
                        onclick
=inputChangCarry(2type=radio name=carry二进制 
                        
</FONT></TD>
                      <
TD></TD>
                      <
TD width=135><FONT face=Verdana><INPUT 
                        onclick
="inputChangAngle('d')" type=radio CHECKED 
                        value
=d name=angle角度制 <INPUT 
                        onclick
="inputChangAngle('r')" type=radio value=
                        name
=angle弧度制 </FONT></TD></TR></TBODY></TABLE>
                  <
TABLE width=500>
                    <
TBODY>
                    <
TR>
                      <
TD width=170><FONT face=Verdana><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 </FONT></TD>
                      <
TD><FONT face=Verdana><INPUT 
                        style
="BACKGROUND-COLOR: lightgrey" readOnly size=
                        name
=bracket> <INPUT style="BACKGROUND-COLOR: lightgrey" 
                        
readOnly size=3 name=memory> <INPUT 
                        style
="BACKGROUND-COLOR: lightgrey" readOnly size=
                        name
=operator> </FONT></TD>
                      <
TD width=183><FONT face=Verdana><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"
                        </
FONT></TD></TR></TBODY></TABLE>
                  <
TABLE width=500>
                    <
TBODY>
                    <
TR>
                      <
TD>
                        <
TABLE>
                          <
TBODY>
                          <
TR align=middle>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: blue" onclick="inputfunction('pi','pi')" type=button value=" PI " name=pi
                              </
FONT></TD>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: blue" onclick="inputfunction('e','e')" type=button value=" E  " name=e
                              </
FONT></TD>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: #ff00ff" onclick="inputfunction('dms','deg')" type=button value=d.ms name=bt
                              </
FONT></TD></TR>
                          <
TR align=middle>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: #ff00ff" onclick=addbracket() type=button value=" (  "
                              </
FONT></TD>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: #ff00ff" onclick=disbracket() type=button value=" )  "
                              </
FONT></TD>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: #ff00ff" onclick="inputfunction('ln','exp')" type=button value=" ln " name=ln
                              </
FONT></TD></TR>
                          <
TR align=middle>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: #ff00ff" onclick="inputtrig('sin','arcsin','hypsin','ahypsin')" type=button value="sin " name=sin
                              </
FONT></TD>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: #ff00ff" onclick="operation('^',7)" type=button value="x^y "
                              </
FONT></TD>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: #ff00ff" onclick="inputfunction('log','expdec')" type=button value="log " name=log
                              </
FONT></TD></TR>
                          <
TR align=middle>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: #ff00ff" onclick="inputtrig('cos','arccos','hypcos','ahypcos')" type=button value="cos " name=cos
                              </
FONT></TD>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: #ff00ff" onclick="inputfunction('cube','cubt')" type=button value="x^3 " name=cube
                              </
FONT></TD>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: #ff00ff" onclick="inputfunction('!','!')" type=button value=" n! "
                              </
FONT></TD></TR>
                          <
TR align=middle>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: #ff00ff" onclick="inputtrig('tan','arctan','hyptan','ahyptan')" type=button value="tan " name=tan
                              </
FONT></TD>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: #ff00ff" onclick="inputfunction('sqr','sqrt')" type=button value="x^2 " name=sqr
                              </
FONT></TD>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: #ff00ff" onclick="inputfunction('recip','recip')" type=button value="1/x "
                              </
FONT></TD></TR></TBODY></TABLE></TD>
                      <
TD width=30></TD>
                      <
TD>
                        <
TABLE>
                          <
TBODY>
                          <
TR>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: red" onclick=putmemory() type=button value=" 储存 "
                              </
FONT></TD></TR>
                          <
TR>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: red" onclick=getmemory() type=button value=" 取存 "
                              </
FONT></TD></TR>
                          <
TR>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: red" onclick=addmemory() type=button value=" 累存 "
                              </
FONT></TD></TR>
                          <
TR>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: red" onclick=multimemory() type=button value=" 积存 "
                              </
FONT></TD></TR>
                          <
TR>
                            <
TD height=33><FONT face=Verdana><INPUT style="COLOR: red" onclick=clearmemory() type=button value=" 清存 "
                              </
FONT></TD></TR></TBODY></TABLE></TD>
                      <
TD width=30></TD>
                      <
TD>
                        <
TABLE>
                          <
TBODY>
                          <
TR align=middle>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: blue" onclick="inputkey('7')" type=button value=" 7 " name=k7
                              </
FONT></TD>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: blue" onclick="inputkey('8')" type=button value=" 8 " name=k8
                              </
FONT></TD>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: blue" onclick="inputkey('9')" type=button value=" 9 " name=k9
                              </
FONT></TD>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: red" onclick="operation('/',6)" type=button value=" / "
                              </
FONT></TD>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: red" onclick="operation('%',6)" type=button value=取余
                              </
FONT></TD>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: red" onclick="operation('&amp;',3)" type=button value=" 与 "
                              </
FONT></TD></TR>
                          <
TR align=middle>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: blue" onclick="inputkey('4')" type=button value=" 4 " name=k4
                              </
FONT></TD>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: blue" onclick="inputkey('5')" type=button value=" 5 " name=k5
                              </
FONT></TD>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: blue" onclick="inputkey('6')" type=button value=" 6 " name=k6
                              </
FONT></TD>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: red" onclick="operation('*',6)" type=button value=" * "
                              </
FONT></TD>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: red" onclick="inputfunction('floor','deci')" type=button value=取整 name=floor
                              </
FONT></TD>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: red" onclick="operation('|',1)" type=button value=" 或 "
                              </
FONT></TD></TR>
                          <
TR align=middle>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: blue" onclick="inputkey('1')" type=button value=" 1 "
                              </
FONT></TD>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: blue" onclick="inputkey('2')" type=button value=" 2 " name=k2
                              </
FONT></TD>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: blue" onclick="inputkey('3')" type=button value=" 3 " name=k3
                              </
FONT></TD>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: red" onclick="operation('-',5)" type=button value=" - "
                              </
FONT></TD>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: red" onclick="operation('<',4)" type=button value=左移
                              </
FONT></TD>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: red" onclick="inputfunction('~','~')" type=button value=" 非 "
                              </
FONT></TD></TR>
                          <
TR align=middle>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: blue" onclick="inputkey('0')" type=button value=" 0 "
                              </
FONT></TD>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: blue" onclick=changeSign() type=button value=+/-> 
                              </
FONT></TD>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: blue" onclick="inputkey('.')" type=button value=" . " name=kp
                              </
FONT></TD>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: red" onclick="operation('+',5)" type=button value=" + "
                              </
FONT></TD>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: red" onclick=result() type=button value=" = "
                              </
FONT></TD>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: red" onclick="operation('x',2)" type=button value=异或
                              </
FONT></TD></TR>
                          <
TR align=middle>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: blue" disabled onclick="inputkey('a')" type=button value=" A " name=ka
                              </
FONT></TD>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: blue" disabled onclick="inputkey('b')" type=button value=" B " name=kb
                              </
FONT></TD>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: blue" disabled onclick="inputkey('c')" type=button value=" C " name=kc
                              </
FONT></TD>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: blue" disabled onclick="inputkey('d')" type=button value=" D " name=kd
                              </
FONT></TD>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: blue" disabled onclick="inputkey('e')" type=button value=" E?" name=ke
                              </
FONT></TD>
                            <
TD><FONT face=Verdana><INPUT style="COLOR: blue" disabled onclick="inputkey('f')" type=button value=" F?" name=kf
                              </
FONT></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE></FORM></DIV>
            </
CENTER></BODY></HTML> ;

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