Program to perform all arithmatic operations in C

C Program to perform all arithmatic operations:

By Ahmad Irshad | Programming Exercises and Solutions > All arithmatic operations

How to perform all arithmatic operations (like addtion, subtraction, multiplication division etc.) between two numbers in C programming. 

In previous exercise, we have learned how to write C program to add two numbers input given by a user.

Required knowledge for this exercise is: 

Basic Input output, Data Type, Arithmetic operators 

Program to perform all arithmetic operations: 

1. /* C program to perform all arithmetic operations */ #include <stdio.h> int main() { int num1, num2; int sum, sub, mult, mod; float div; /* * Input two numbers from user */ printf("Enter any two numbers: "); scanf("%d%d", &num1, &num2); /* * Perform all arithmetic operations */ sum = num1 + num2; sub = num1 - num2; mult = num1 * num2; div = (float)num1 / num2; mod = num1 % num2;
2. /* * Print result of all arithmetic operations */ printf("SUM = %d\n", sum); printf("DIFFERENCE = %d\n", sub); printf("PRODUCT = %d\n", mult); printf("QUOTIENT = %f\n", div); printf("MODULUS = %d", mod); return 0; }

Note: In statements div = (float) num1 / num2; It has been typecasted num1 to float before the division to avoid integer division. 

Visit to learn more about typecasting.

Output:

1. Enter any two numbers: 100, 20
2. Sum = 120
3. Difference =  80
4. Product = 2000
5. Quotient = 5.000000
6. Modulus = 0

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