C# Math

C# Math

C# has a built-in Math class full of methods for common math tasks.

Math.Max and Math.Min

Math.Max(x, y) returns the largest value; Math.Min(x, y) returns the smallest:

Console.WriteLine(Math.Max(5, 10));   // 10
Console.WriteLine(Math.Min(5, 10));   // 5

Math.Sqrt

Math.Sqrt(x) returns the square root:

Console.WriteLine(Math.Sqrt(64));   // 8

Math.Abs

Math.Abs(x) returns the absolute value (always positive):

Console.WriteLine(Math.Abs(-4.7));   // 4.7

Math.Round

Math.Round(x) rounds to the nearest whole number:

Console.WriteLine(Math.Round(9.99));  // 10
Console.WriteLine(Math.Round(4.4));   // 4

Math.Pow and more

• Math.Pow(x, y) - raises x to the power y.
• Math.Cos, Math.Sin, Math.Tan - trigonometry.
• Math.PI - the constant 3.14159...

Console.WriteLine(Math.Pow(2, 10));  // 1024
Console.WriteLine(Math.PI);

TL;DR

• Math.Max, Math.Min - largest / smallest.
• Math.Sqrt, Math.Abs, Math.Round, Math.Pow.
• Math.PI gives the constant pi.