Your program must use an alert to tell the user about any errors. The possible errors include:
-One or both input fields are blank
-One or both input fields < -9999 or greater than 9999
-Divide by zero
-llegal character in either input field.
Only 0, 1 ,2 ,3 ,4 ,5 ,6 ,7 ,8 ,9, and – are allowed.
-You must include instructions to the instructor on
how to install the assignment. Do this in a
separate file named ReadMe.txt.
-Even though there are none in the example,
you must include instructions to the user.
-Once uploaded you cannot upload the assignment again unless reset by your instructor – please take the time to do it right the first time!
-Each file in the assignment must have a comment at the top, using the correct commenting technique for the file type, like this:
Your Student ID