For our second program

For our second program, we decided to make a calculator. Click on the button to see the example.

<HTML>
<HEAD>
<TITLE>Simple Calculator</TITLE>
</HEAD>
<BODY>

if (ask == "+"|| ask == "addition"){
alert (" You have chosen addition. Click OK to continue ")
num1 = prompt (" Please choose a number ")
num2 = prompt ("Please choose a second number")
num1 = Number(num1)
num2 = Number(num2)
answer = num1+num2
document.write (" The answer is " + answer) 
}

else { if (ask == "-"||ask == "subtraction") {
alert (" You have chosen subtraction. Click OK to continue ")
num1 = prompt (" Please choose a number to be subtracted")
num2 = prompt ("Please choose the second number.")
num1 = Number(num1)
num2 = Number(num2)
answer = num1-num2
document.write ("The difference is: " + answer) 
}

else { if ( ask == "*" || ask == "multiplication" ) { 
alert (" You have chosen multiplication Click OK to continue")
num1 = prompt ("Please choose a number")
num2 = prompt ("Please choose the second number.")
num1 = Number(num1)
num2 = Number(num2)
answer = num1*num2
document.write ("The product is: " + answer)
}

else { if (ask == "/"|| ask == "division") {

alert (" You have chosen division Click OK to continue")
num1 = prompt ("Please choose the dividend")
num2 = prompt ("Please choose the divisor.")
num1 = Number(num1)
num2 = Number(num2)
answer = num1/num2
document.write ("The quotient is: " + answer)
}
else { if ( ask == "" || ask == null)
alert (" Please select an operation ")  }

}}}
}
</script>
<INPUT TYPE = "Button" NAME="Button1" VALUE="Push" onclick=calc() >
</BODY>
</HTML>