1. Sum of two numbers.

2. Difference of two numbers.

3. Product of two numbers.

4. Quotient of two numbers.

5. Remainder of two numbers.

6. Product of three numbers.

7. Sum of three numbers.

8. Accept principal, rate and time from the user. Calculate simple interest.

9. Accept principal, rate and time from the user. Calculate compound interest.

10. Accept side from the user. Calculate perimeter of a square.

11. Accept side from the user. Calculate area of a square.

12. Accept length and breadth from the user. Calculate perimeter of a rectangle.

13. Accept length and breadth from the user. Calculate area of a rectangle.

14. Accept radius of a circle. Calculate circumference of a circle.

15. Accept radius of a circle. Calculate area of a circle.