Create a new file (in Dev C++) and save it as lab7_XYZ.cpp (replace XYZ with your initials). 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 this lab, you will add some more functionality to the program. Use loops to keep running the program until the user chooses the exit condition (9). When dividing, use a loop to validate user input, making sure the denominator (second number) is not zero. If the user enters a 0 for the second number, display an error message and keep prompting until a non-zero number is entered. 1) Add two numbers2) Subtract two numbers3) Multiply two numbers4) Divide two numbers 9) Exit program The program should: contain header comments as shown in class display a hello message before presenting the menu display the menu prompt user for selection echo the selection back to the user if the selection was invalid, display error message to user and then loop back to menu if the selection was valid, prompt the user for two numbers if the operation is division, and the second number is zero, display error message to user and then loop (with new prompt) until non-zero number is entered for any other scenario, perform the operation and display the results use loop to present menu again and ask for another selection continue looping until user selects exit condition display a goodbye message before exiting the program HINT: The loop should continue until some condition is false. What is that condition? When should it be set false? Consider using a flag variable for the loop... NOTE: Make sure to handle integer division (int/int = int, but we want decimal result!) Submit the completed CPP file (not the EXE file) back to this assignment.

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++) and save it as lab7_XYZ.cpp (replace XYZ with your initials).

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 this lab, you will add some more functionality to the program. Use loops to keep running the program until the user chooses the exit condition (9). When dividing, use a loop to validate user input, making sure the denominator (second number) is not zero. If the user enters a 0 for the second number, display an error message and keep prompting until a non-zero number is entered.

1) Add two numbers2) Subtract two numbers3) Multiply two numbers4) Divide two numbers

9) Exit program

The program should:

contain header comments as shown in class
display a hello message before presenting the menu
display the menu
prompt user for selection
echo the selection back to the user
if the selection was invalid, display error message to user and then loop back to menu
if the selection was valid, prompt the user for two numbers
if the operation is division, and the second number is zero, display error message to user and then loop (with new prompt) until non-zero number is entered
for any other scenario, perform the operation and display the results
use loop to present menu again and ask for another selection
continue looping until user selects exit condition
display a goodbye message before exiting the program

HINT: The loop should continue until some condition is false. What is that condition? When should it be set false? Consider using a flag variable for the loop...

NOTE: Make sure to handle integer division (int/int = int, but we want decimal result!)

Submit the completed CPP file (not the EXE file) back to this assignment.

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