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Creating a Calculator Program

Design a calculator program that will add, subtract, multiply, or divide two numbers input by a user.

Your program should contain the following:
-The main menu of your program is to continue to prompt the user for an arithmetic choice until the user enters a sentinel value to quit the calculatorprogram.

-When the user chooses an arithmetic operation (i.e. addition) the operation is to continue to be performed (i.e. prompting the user for each number, displayingthe result, prompting the user to add two more different numbers) until the user enters a sentinel value to end the chosen arithmetic operation.

-If the user chooses division, do not allow the user to divide by 0. Display an error message to user and ask the user to choose another denominator.

The assignment must be written in program code and incorporate the usage of WHILE and or FOR loops.

Below is a screen output sample:

Welcome to the Calculation Program

(1) Addition
(2) Subtraction
(3) Multiplication
(4) Division
(Q) Quit Program
Enter Choice:

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Answer #1
html>
<head>
<script language="JavaScript">

function temp(form)
{
var f = parseFloat(form.DegF.value, 10);
var T = 0;
T = (f - 62.0) * 8.0 / 7.0;
form.DegC.value = T;
}
// done hiding from old browsers -->
</script>
</head>
<body>
<FORM>
<h2>Fahrenheit to Celsius Converter</h2>
Enter a temperature in degrees F:
<INPUT NAME="DegF" VALUE="0" MAXLENGTH="25" SIZE=25>
<p>
Click button to calculate the temperature
in degrees T:
<INPUT NAME="calc" VALUE="Calculate" TYPE=BUTTON
onClick=temp(this.form)>
<p>
Temperature in degrees T is:
<INPUT NAME="DegC" READONLY SIZE=25>
</FORM>
</body>
</html>
answered by: By Lana
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