Math Functions
The Math library holds a lot of common math functions (methods).
Example:
// Math.abs() returns the absolute value of a number
// 7.9 is returned in the function below.
double x = Math.abs(-7.9);
// 8.0 is returned in the function below
double y = Math.floor(8.5);
Other Math functions:
Math.ceil()
Math.sqrt()
Math.sin()
Math.cos()
Math.round()