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"Arithmetic operators are the foundation of numerical computations in C programming."

What Are Arithmetic Operators?

Arithmetic operators are symbols that perform mathematical operations like addition, subtraction, multiplication, division, and modulus on numeric values.

List of Arithmetic Operators

Examples of Arithmetic Operators

1. Basic Arithmetic Operations

#include <stdio.h>

int main() {
int a = 10, b = 3;
printf("Addition: %d\n", a + b);
printf("Subtraction: %d\n", a - b);
printf("Multiplication: %d\n", a * b);
printf("Division (Integer): %d\n", a / b);
printf("Modulus: %d\n", a % b);
return 0;
}

2. Performing Arithmetic Operations with User Input

#include <stdio.h>

int main() {
int a, b;
printf("Enter two numbers: ");
scanf("%d %d", &a, &b);

printf("Sum = %d\n", a + b);
printf("Difference = %d\n", a - b);
printf("Product = %d\n", a * b);
printf("Quotient = %d\n", a / b);
printf("Remainder = %d\n", a % b);

return 0;
}

3. Floating-Point Arithmetic

#include <stdio.h>

int main() {
float a = 5.5, b = 2.2;
printf("Addition: %.2f\n", a + b);
printf("Subtraction: %.2f\n", a - b);
printf("Multiplication: %.2f\n", a * b);
printf("Division: %.2f\n", a / b);
return 0;
}

Important Notes on Arithmetic Operators

• Integer Division: When dividing integers, the decimal part is discarded.
• Floating-Point Precision: Use float or double for more precise calculations.
• Modulus Operator (%): Works only with integers.

Best Practices for Using Arithmetic Operators

• Use float or double for division to avoid truncation.
• Be mindful of division by zero errors.
• Use parentheses for clarity in complex expressions.

Example: Handling Division by Zero

#include <stdio.h>

int main() {
int a = 10, b = 0;

if (b != 0) {
	printf("Division result: %d\n", a / b);
} else {
	printf("Error: Division by zero is not allowed.\n");
}

return 0;
}

Conclusion

Arithmetic operators in C are essential for performing mathematical operations. Mastering them will help you build efficient and accurate programs! 🚀

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