<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>짜가계산기</title>
<meta name="Generator" content="EditPlus">
<meta name="Author" content="">
<meta name="Keywords" content="">
<meta name="Description" content="">
<meta http-equiv="Content-Type" content="text/html; charset=ks_c_5601-1987">
</head>
<body>
<style>
.btn{width:40}
.btn2{width:88}
</style>
<script>
old = new Array();
function init(){
document.f.t.value = "";
isOp=false;
str=0;
operator="";
}
function putn(value) {
if(!isOp){
document.f.t.value += value;
} else if(isOp){
document.f.t.value = value;
isOp = false;
} else{
document.f.t.value += value;
}
}
function operator(value) {
value = document.f.t;
isOp = true;
operator = value;
}
function calc() {
str = eval(str + operator + document.f.t.str);
document.f.t.value = str;
}
</script>
<body onload=init();>
<table border=6 width="247"><tr>
<form name=f>
<td colspan=5>
<input type=text name=t value="" size=30>
</td></tr>
<tr><td width="40">
<input type=button onclick=putn(7) value=7 class=btn></td><td width="40">
<input type=button onclick=putn(8) value=8 class=btn></td><td width="41">
<input type=button onclick=putn(9) value=9 class=btn></td><td width="40">
<input type=button onclick=calc("/") value="/" class=btn></td><td width="40">
<input type=button value="pow" class=btn></td></tr>
<tr><Td width="40" height="25">
<input type=button onclick=putn(4) value=4 class=btn></td>
<td width="40" height="25">
<input type=button onclick=putn(5) value=5 class=btn></td>
<td width="41" height="25">
<input type=button onclick=putn(6) value=6 class=btn></td>
<td width="40" height="25">
<input type=button onclick=calc("*") value="*" class=btn></td>
<td width="40" height="25">
<input type=button value="sqrt" class=btn></td></tr>
<tr><td width="40">
<input type=button onclick=putn(1) value=1 class=btn></td><td width="40">
<input type=button onclick=putn(2) value=2 class=btn></td><td width="41">
<input type=button onclick=putn(3) value=3 class=btn></td><td width="40">
<input type=button onclick=calc("-") value="-" class=btn></td><td width="40">
<input type=button value="log" class=btn></td></tr>
<tr><td width="40">
<input type=button onclick=putn(0) value=0 class=btn></td><td width="40">
<input type=button onclick=putn('.') value=. class=btn></td><td width="41">
<input type=button onclick=calc("+") value="+" class=btn></td><td width="40">
<input type=button onclick=calc("%") value="%" class=btn></td>
</td></tr>
<tr>
<td colspan=2>
<input type=button onclick=adj(0) value="지우기" class=btn2></td><td colspan=3>
<input type=button onclick=sol() value="계산하기" class=btn2></td>
</form>
</table>
</body>
</html>
