#11 Program to create an simple calculator

Introduction

In this blog post, we will explore the implementation of a basic calculator program in the C programming language. The program provides a menu-based interface and allows users to perform various mathematical operations such as addition, subtraction, multiplication, division, remainder, and comparison. We will go through the code step by step and explain how each component works.

Code Explanation 

The program starts by defining a calculate() function, which is responsible for handling the calculations and user interactions. Inside this function, a menu is displayed using the printf() function, presenting the available operations to the user. The user's choice is stored in the choice variable using the scanf() function.

Using a series of if-else statements, the program checks the user's choice and performs the corresponding operation. For example, if the user selects addition (choice 1), the program prompts the user to enter two numbers and calculates their sum using the + operator. The result is then displayed using printf().

After displaying the result, the program asks the user if they want to perform another calculation or exit. The user's response is stored in the character array n using scanf(). If the user chooses to continue, the calculate() function is recursively called to repeat the process. If the user selects to exit, the program terminates using the exit function.

The main() function serves as the entry point of the program. It clears the screen using the system() function to provide a clean interface and then calls the calculate() function to start the calculator program.

Conclusion

In this blog post, we have covered the implementation of a simple calculator program in C. The program allows users to perform various mathematical operations and offers a user-friendly menu-based interface. By explaining the key components and the flow of the program, we have provided a comprehensive understanding of how the calculator program works. Feel free to modify and enhance the program to suit your specific needs. Happy coding!