Untitled

<html>
    <head>
        <meta charset="utf-8">
        <title> Formulário </title>
    </head>
    <body>
        <form method=POST action="new1.php">
        Digite n¹:
         <input type=number name=num1>
        Digite n²:
         <input type=number name=num2>
         <input type=submit value=Calcular>
        </form>
    </body>

</html>