Here, we practice more programs on variables. In that, we will discuss some of the foremost programs, like

1. Adding of two numbers.
2. Calculate the Area of a Rectangle(Area=length × width)
3. Calculate the Simple Interest (simple_interest = (principal * rate * time) / 100)
4. Calculate the Square and Cube of a Number
5. Calculate the Circumference of a Circle( circumference = 2 × 3.14 *radius)