<html>
<head>
<title>Calculadora</title>
</head>
<body>
<script language="javascript">
//Variables a introducir
var numero1;
var numero2;
//Introducción de números
numero1=prompt('Numero 1','');
numero2=prompt('Numero 2','');
//Operaciones de aritméticas
var suma=parseInt(numero1)+parseInt(numero2);
var resta= numero1-numero2;
var producto=numero1*numero2;
var division=numero1/numero2;
//Parte visible
document.write('<strong>Suma: </strong>' + suma + '</br>');
document.write('<strong>Resta: </strong>' + resta + '</br>');
document.write('<strong>Multiplicación </strong>' + producto + '</br>');
document.write('<strong>División: </strong>' + division + '</br>');
</script>
<!--©Wueru 2012-->
</body>
</html>
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