Programming assignment: Write a computer program in C which will simulate a calculator. Your calculator needs to support the five basic operations (addition, subtraction, multiplication, division and modulus) plus primality testing (natural number is prime if it has no non-trivial divisors). Example of the output follows:
Calculator Menu:
(1) Addition
(2) Subtraction
(3) Multiplication
(4) Division
(5) Modulus (integers only)
(6) Test if prime (integers only)
(7) Exit
Please choose an operation: 2
Enter the first number: 18
Enter the second number: 20
18 - 20 = -2
Calculator Menu:
(1) Addition
(2) Subtraction
(3) Multiplication
(4) Division
(5) Modulus (integers only)
(6) Test if prime (integers only)
(7) Exit
Please choose an operation: 6
Enter the number to be tested: 22
Not prime: 2 x 11 = 22
Calculator Menu:
(1) Addition
(2) Subtraction
(3) Multiplication
(4) Division
(5) Modulus (integers only)
(6) Test if prime (integers only)
(7) Exit
Please choose an operation: 7
Good Bye!
You program MUST be bug-free, well commented (Including author information, program description, lab section, date, etc.)