Math functions in C#

The System.Math class in C# provides methods and properties that perform mathematical operations, trigonometric, logarithmic calculations, etc.

Some of its methods include-

5

Sr.No	Methods and Instructions
1	Abs(Decimal) Returns the absolute number of Decimal.
2	Abs (Double) Returns the absolute value of a double precision floating point number.
3	Abs(Int16) Returns the absolute value of a 16-bit signed integer .
4	Abs(Int32) Returns the absolute value of a 32-bit signed integer .
Abs(Int64) Returns the absolute value of a 64-bit signed integer .
6	Abs(SByte) Returns the absolute value of an 8-bit signed integer .
7	#Abs(Single) Returns an absolute single-precision floating point number.
8	Acos(Double) Returns the angle whose cosine is the specified number.
9	#Asin (double precision) Returns the angle whose sine value is the specified number .
10	Atan(Double) Returns the angle whose tangent value is the specified number.

Please refer to MSDN for all methods

Let us see an example of getting the absolute value-

Example

using System;

class Program {
   static void Main() {
      int val1 = 250;
      int val2 = -150;

      Console.WriteLine("Before...");
      Console.WriteLine(val1);
      Console.WriteLine(val2);

      int abs1 = Math.Abs(val1);
      int abs2 = Math.Abs(val2);

      Console.WriteLine("After...");
      Console.WriteLine(abs1);
      Console.WriteLine(abs2);
   }
}

Logarithmic and trigonometric functions are also part of the system. Trigonometric functions like ACos, ASin, Sin, Cos, Tan, etc. are included in the Math class in C#. It belongs to the Math type of the System namespace.

The following is an example showing how to implement trigonometric functions in C#:

Example

using System;

class Program {
   static void Main() {
      Console.WriteLine(Math.Acos(0));
      Console.WriteLine(Math.Cos(2));

      Console.WriteLine(Math.Asin(0.2));
      Console.WriteLine(Math.Sin(2));
   }
}

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