C Program to Addition Subtraction,Multiplication and division

C Program to Addition Subtraction, Multiplication and division

In this tutorial, we will discuss C Program to Addition Subtraction, Multiplication and division

In this post, we will learn about how to perform addition, subtraction multiplication, division of any two numbers  using if else statements in C programming

The  program will request the user to enter two number digits and the user select an operator to perform the addition, subtraction, multiplication, and division of the entered number by the user and displays the output on the screen
the program will display the result according to the user selection

Program 1

#include <stdio.h>
#include <stdlib.h>

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

printf("\nAddition of %d + %d",num1,num2);
printf(" = %d",(num1+num2 ));
printf("\nSubstraction of %d - %d",num1,num2);
printf(" = %d",(num1-num2));
printf("\nMultiplication of %d X %d",num1,num2);
printf(" = %d",(num1*num2 ));
printf("\nDivision of  %d / %d",num1,num2);
printf(" = %d",(num1/num2 ));

getch();
return 0;
}

When the above code is executed, it produces the following results

Enter the first number: 60
Enter the second number: 15

Addition of 60 + 15 = 75
Substraction of 60 - 15= 45
Multiplication of 60 X 15 = 900
Division of 60 / 15 =4

Program 2

#include <stdio.h>
#include <stdlib.h>

int main()
{
    char ch;
    int num1,num2;
printf("Enter the first number: ");
scanf("%d",&num1);
printf("Enter the second number: ");
scanf("%d",&num2);
printf("Enter the operator you want(+, -, x, /) :");
scanf("%s",&ch);
if(ch=='+'){
    printf("Addition is %d",num1+num2);
}
else if(ch=='-'){
    printf("Subtraction is %d",num1-num2);
}

else if(ch=='+'){
    printf("Multiplication is %d",num1*num2);
}

else if(ch=='+'){
    printf("Division is %d",num1/num2);
}

else{
    printf("This operator not in use");
}

getch();
return 0;
}

When the above code is executed, it produces the following results

Case 1

Enter the first number: 60
Enter the second number:15
Enter the operator uoy want(+, -, *,/):+
Addition is 75

Case 2

Enter the first number: 50
Enter the second number:10
Enter the operator uoy want(+, -, *,/):+
Subtraction is 40

Case 3

Enter the first number: 100
Enter the second number:10
Enter the operator uoy want(+, -, *,/):*
Moltiplication is 1000

Case 4

Enter the first number: 60
Enter the second number:15
Enter the operator uoy want(+, -, *,/):/
Division is 4

Case 5

Enter the first number: 60
Enter the second number:15
Enter the operator uoy want(+, -, *,/):x
operator not in use

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