

<html>   
<head>    
<title> Fluid Power Calculator </title>  
    
  
<script language="javascript" type="text/javascript">  
function findvelocity(){  
a=Number(document.calculator.number1.value);  
b=Number(document.calculator.number2.value);  
c=((a*1000/60)/ ((b/10)^2 *0.785))*10;  
document.calculator.total.value=c;  
}  
</script>  
  

</head>  
  
<body>   
<!-- Opening a HTML Form. -->   
<form name="calculator">  

<p> 
<!-- Here user will enter 1st number. -->   
Flow (lpm) : <input type="text" name="number1"> 
</p>  
   
<p> 
<!-- Here user will enter 2nd number. -->   
Pipe ID (mm): <input type="text" name="number2">   
</p>
  
<p>  
<!-- Here result will be displayed. -->   
Velocity ( mm/sec): <input type="text" name="total">   
</p>  
  
<!-- Here respective button when clicked, calls only respective artimetic function. -->   
<input type="button" value="CALCULATE" onclick="javascript:findvelocity();">  

  
</form>  
</body>  
</html>  