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C# | Math.Exp() Method

Last Updated : 11 Jul, 2025
In C#, Exp() is a Math class method which is used to return the e raised to the specified power. Here e is a mathematical constant whose value is approximately 2.71828. Exp() is the inverse of Log(). Syntax:
public static double Exp (double num);
Parameter:
num: It is the required number of type System.Double which specifies a power.
Return Type: It returns a number e raised to the power num of type System.Double. Note:
  • If num is equal to NaN then the return value will be NaN.
  • If num is equal to PositiveInfinity then the return value will be Infinity.
  • If num is equal to NegativeInfinity then the return value will be 0.
Example 1:
Output:
22026.4657948067
5780495.71030692
9.54496417945595E+229
1
Example 2:
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