Create a new file (in Dev C++) . In Lab 2, you created a menu for a simple calculator program. In Lab 6, you added some functionality based on the user selection. In Lab 7, you added some functionality for a main program loop and input validation. In this lab, you will create some general purpose functions to offload some of the tasks in main(). Write functions for: displaying "hello" message displaying menu displaying "goodbye" message displaying "invalid selection" message (for invalid menu selection) displaying "invalid input" message (for divide-by-zero input validation) Prototypes should be written for each function Function definitions can be in any order, after main() Call the functions as needed in main(), replacing the original code The program should: call function to display a "hello" message before presenting the menu call function to display the menu prompt user for selection accept either uppercase or lowercase for selection call function to display error message if invalid selection is made (example: E) display the selection back to the user prompt for two numbers perform the operation and display the results use loop for input validation of second number during division call function to display error message for division when second number is 0 after displaying result, use loop to present menu again and ask for another selection do not display "hello" message again call function to display a "goodbye" message before exiting the program

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Create a new file (in Dev C++) .

In Lab 2, you created a menu for a simple calculator program.

In Lab 6, you added some functionality based on the user selection.

In Lab 7, you added some functionality for a main program loop and input validation.

In this lab, you will create some general purpose functions to offload some of the tasks in main().

Write functions for:

displaying "hello" message
displaying menu
displaying "goodbye" message
displaying "invalid selection" message (for invalid menu selection)
displaying "invalid input" message (for divide-by-zero input validation)

Prototypes should be written for each function

Function definitions can be in any order, after main()

Call the functions as needed in main(), replacing the original code

The program should:

call function to display a "hello" message before presenting the menu
call function to display the menu
prompt user for selection
- accept either uppercase or lowercase for selection
- call function to display error message if invalid selection is made (example: E)
display the selection back to the user
prompt for two numbers
perform the operation and display the results
- use loop for input validation of second number during division
- call function to display error message for division when second number is 0
after displaying result, use loop to present menu again and ask for another selection
- do not display "hello" message again
call function to display a "goodbye" message before exiting the program

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