The pi number (π) is a mathematical constant defined as the circumference of a circle divided by its diameter. Although pi is roughly equal to 3.14, in some cases, you might need a more exact value for your calculations.
The pi number (π) is a mathematical constant defined as the circumference of a circle divided by its diameter. Although pi is roughly equal to 3.14, in some cases, you might need a more exact value for your calculations.