C Program to Perform All Arithmetic Operations

Hello coders, in this post we will how to write C Program to perform all arithmetic operations. This is a very basic C program.

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C Program to perform all arithmetic operations
C Program to perform all arithmetic operations

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C Program to perform all arithmetic operations

#include <stdio.h>

void main()
{
    int num1, num2;
    int sum, diff, mul, div, mod, quo;

    printf("Enter first number: ");
    scanf("%d", &num1);
    printf("Enter second number: ");
    scanf("%d", &num2);

    sum = num1 + num2;
    diff = num1 - num2;
    mul = num1 * num2;
    mod = num1 % num2;
    quo = num1 / num2;

    printf("Sum = %d\n", sum);
    printf("Difference = %d\n", diff);
    printf("Multiply = %d\n", mul);
    printf("Modulus = %d\n", mod);
    printf("Quotient = %d\n", quo);
}

Output

Enter first number: 30
Enter second number: 10
Sum = 40
Difference = 20
Multiply = 300
Modulus = 0
Quotient = 3

C Program to perform all arithmetic operations using function

// C Program to Perform Arithmetic Operations Using Functions
#include <stdio.h>

// Declaring addition function
int addition(int a, int b){
    int sum = a + b;
    return sum;
}

// Declaring subtraction function
int subtract(int a, int b){
    int difference = a - b;
    return difference;
}

// Declaring multiplication function
int multiply(int a, int b){
    int multiply = a * b;
    return multiply;
}

// Declaring division function
float division(float a, float b){
    float divide = a / b;
    return divide;
}

// Declaring modulus function
float mod(int a, int b){
    int rem = a % b;
    return rem;
}

int main(){
    int num1, num2;
    
    // Asking for input
    printf("Enter the first number: ");
    scanf("%d", &num1);
    printf("Enter the second number: ");
    scanf("%d", &num2);
    
    // Displaying output
    printf("Arithmetic operations on %d and %d: \n", num1, num2);
    printf("Addition: %d\n", addition(num1, num2));
    printf("Subtraction: %d\n", subtract(num1, num2));
    printf("Multiplication: %d\n", multiply(num1, num2));
    printf("Division: %f\n", division(num1, num2));
    printf("Modulus: %d\n", mod(num1, num2));
    return 0;
}
Enter the first number: 20
Enter the second number: 10
Arithmetic operations on 20 and 10: 
Addition: 30
Subtraction: 10
Multiplication: 200
Division: 2.000000
Modulus: 10

Conclusion

I hope after going through this post, you understand how to write a C Program to perform all arithmetic operations, if there is any case program is not working and showing an error please let me know in the comment section.

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