воскресенье, 29 января 2017 г.

<html>
<head>
<title>NIS Aktobe Calculator</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<script type="text/javascript">
var a,b,result;
function setValues()
{
a=Number(document.getElementById("a").value);
b=Number(document.getElementById("b").value);
}
function add()
{
setValues();
result=a+b;
alert("addition equal to " +result);
}
function sub()
{
setValues();
result=a-b;
alert("sub equal to " +result);
}
function mul()
{
setValues();
result=a*b;
alert("mul equal to " +result);
}
function div()
{
setValues();
result=a/b;
alert("div equal to " +result);
}
</script>

</head>
<body>
<div>
<input id="a" type="text"/>
<input id="b" type="text"/>
<br/>
<br/>
<input type="button" onclick="add()" value="add"/>
<input type="button" onclick="sub()" value="sub"/>
<input type="button" onclick="mul()" value="mul"/>
<input type="button" onclick="div()" value="div"/>
</div>
</body>
</html>