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<html><head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<script src=inc/5top.js></script></head>
<body scroll=yes><br>
<table width="98%" border="1" cellspacing="0" cellpadding="2">
<tr>
<td align="center"> <table width="450" border="0" cellpadding="2" cellspacing="0">
<tr>
<td><b>10进制转成16进制：</b></td>
</tr>
<tr>
<td>十 进 制：
<input type=text name=t1_10>
↘ </td>
</tr>
<tr>
<td align="right">十六进制：
<input type=text name=t1_16 readonly></td>
</tr>
<tr>
<td align="right"><input type=button name="" onClick="v10to16()" value=" 确 定 "></td>
</tr>
</table>
</td>
</tr>
<tr>
<td align="center"><table width="450" border="0" cellpadding="2" cellspacing="0">
<tr>
<td><b>16进制转成10进制：</b> </td>
</tr>
<tr>
<td>十六进制：
<input type=text name=t2_16>
↘ </td>
</tr>
<tr>
<td align="right">十 进 制：
<input type=text name=t2_10 readonly></td>
</tr>
<tr>
<td align="right"><input type=button name="" onClick="v16to10()" value=" 确 定 "></td>
</tr>
</table>
</td>
</tr>
<tr>
<td align="center">
<table width="450" border="0" cellpadding="2" cellspacing="0">
<tr>
<td><b>10进制转成2进制：</b></td>
</tr>
<tr>
<td>十 进 制：
<input type=text name=t3_10>
↘ </td>
</tr>
<tr>
<td align="right">二 进 制：
<input type=text name=t3_2 readonly></td>
</tr>
<tr>
<td align="right"><input type=button name="" onClick="v10to2()" value=" 确 定 "></td>
</tr>
</table>
</td>
</tr>
<tr>
<td align="center">
<table width="450" border="0" cellpadding="2" cellspacing="0">
<tr>
<td><b>2进制转成10进制：</b></td>
</tr>
<tr>
<td>二 进 制：
<input type=text name=t4_2>
↘ </td>
</tr>
<tr>
<td align="right">十 进 制：
<input type=text name=t4_10 readonly></td>
</tr>
<tr>
<td align="right"><input type=button name="" onClick="v2to10()" value=" 确 定 "></td>
</tr>
</table>
</td>
</tr>
</table>
<p>
<p>
<script>
function v10to16()
{
a=t1_10.value
a=a.replace(/ /gi,"")
if(a=="")return
if(parseInt(a)!=a)return M("请输入整数！")
t=""
while(a!=0)
{
b=a%16
t="0123456789abcdef".substr(b,1)+t
a=(a-b)/16
}
t1_16.value=t
}
function v16to10()
{
a=t2_16.value
a=a.replace(/ /gi,"")
if(a=="")return
if(a.replace(/[0-9a-f]/gi,"")!="")return M("请输入16进制数！")
t=1
c=1
for(x=a.length-1;x>-1;x--)
{
b=a.substr(x,1)
switch(b)
{
case "a":b=10;break
case "b":b=11;break
case "c":b=12;break
case "d":b=13;break
case "e":b=14;break
case "f":b=15;break
}
t+=c*b
c*=16
}
t2_10.value=t
}
function v10to2()
{
a=t3_10.value
a=a.replace(/ /gi,"")
if(a=="")return
if(parseInt(a)!=a)return M("请输入整数！")
t=""
while(a!=0)
{
b=a%2
t=b+t
a=(a-b)/2
}
t3_2.value=t
}
function v2to10()
{
a=t4_2.value
a=a.replace(/ /gi,"")
if(a=="")return
if(a.replace(/[01]/gi,"")!="")return M("请输入2进制数！")
t=1
c=1
for(x=a.length-1;x>-1;x--)
{
b=a.substr(x,1)
t+=c*b
c*=2
}
t4_10.value=t
}
</script>
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