How can we make a calculator in C language? Here we are using arithmetic operators to calculate and "printf" method to print the result.

#### Addition of two numbers in C :

```
#include<stdio.h>
int main()
{
int first, second, add, subtract, multiply, modulo;
float divide;
printf("Enter two numbers : \n");
scanf("%d%d", &first, &second);
add = first + second;
subtract = first - second;
multiply = first * second;
divide = first / (float)second;
modulo = first % second;
printf("Sum = %d\n", add);
printf("Difference = %d\n", subtract);
printf("Multiplication = %d\n", multiply);
printf("Division = %f\n", divide);
printf("Modulo Division = %d\n", modulo);
return 0;
}
```

Output :

```
#include<stdio.h>
int main()
{
int first, second, add, subtract, multiply, modulo;
float divide;
printf("Enter two numbers : \n");
scanf("%d%d", &first, &second);
add = first + second;
subtract = first - second;
multiply = first * second;
divide = first / (float)second;
modulo = first % second;
printf("Sum = %d\n", add);
printf("Difference = %d\n", subtract);
printf("Multiplication = %d\n", multiply);
printf("Division = %f\n", divide);
printf("Modulo Division = %d\n", modulo);
return 0;
}
```

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