Untitled

<!DOCTYPE html>
<html>
<body>
<title>hypotinous calculator</title>
<h1>hypotinous calculator</h1>
<script type="text/javascript">

function setValue(){

a= document.forms["myform"]["text1"].value

}

function setValued(){

b=  document.forms["myform1"]["text11"].value

}


function ya(){

var c= Math.sqrt(Math.pow(a,2)+Math.pow(b,2))

alert(c)


}


</script>

<form name="myform">
<input type="text" name="text1" value="">
<input type="button" value="set" onclick="setValue()">
</form>

<button onclick="ya();">see awnser</button>

<form name="myform1">
    <input type="text" name="text11" value="">
        <input type="button" value="set"
onclick="setValued()">

</form>
</body>
</html>