# Math.Exp returns e raised to the specified power. : Math « Development Class « C# / C Sharp

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 C# / C Sharp » Development Class » Math Screenshots
Math.Exp returns e raised to the specified power.
 ```     using System; class ExpDemo  {     public static void Main()      {         UseLnExp(9.9);     }     static void UseLnExp(double arg)     {         Console.WriteLine(              "\n      Math.Exp(Math.Log({0})) == {1:E16}\n" +             "      Math.Log(Math.Exp({0})) == {2:E16}",             arg, Math.Exp(Math.Log(arg)), Math.Log(Math.Exp(arg)) );     } }                      ```
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 1 Demonstrate Math.Sin(), Math.Cos(), and Math.Tan(). 2 Find the radius of a circle given its area. 3 Math operators 4 Use Math.Round 5 Math.Sign 6 Math.Abs 7 Math.Min 8 Converts a degrees angle into a radians angle. 9 Converts a radians angle into a degrees angle. 10 Converts degrees to radians. 11 Gets the mean value from a list 12 Gets the median from the list 13 Gets the standard deviation 14 Statistical functions: Mean 15 Statistical functions: Standard Deviation 16 The Method converts the temperature in Fahrenheit to Celcius 17 The Method converts the temperature in Celcius to Fahrenheit 18 Returns the maximum value of three numbers 19 Returns the minimum value of three numbers 20 rounds val to the nearest fractional value 21 Combines two input numbers in some proportion. 22 Normalise Angle 23 wraps the mod result to avoid negative results. 24 Method that calculates the Greatest Common Divisor (GCD) of two positive integer numbers. 25 Calculates the floor of the log, base 2, of 'x'. 26 Calculates the Least Common Multiple (LCM) of two strictly positive integer numbers. 27 Get Prime, Is prime 28 Same as System.Math.Acos but if angle is out of range, the result is clamped. 29 Math.Abs returns the absolute value of a Decimal number. 30 Math.Acos 31 Math.Asin returns the angle whose sine is the specified number. 32 Math.Atan Returns the angle whose tangent is the specified number. 33 Math.Atan2 Returns the angle whose tangent is the quotient of two specified numbers. 34 Math.BigMul Produces the full product of two 32-bit numbers. 35 Math.Ceiling Returns the smallest integral value that is greater than or equal to the specified decimal number. 36 Math.Cos Returns the cosine of the specified angle. 37 Math.Cosh returns the hyperbolic cosine 38 Math.DivRem calculates the quotient of integers and returns the remainder in an output parameter. 39 Math.E Field Represents the natural logarithmic base, specified by the constant, e. 40 Math.Floor returns the largest integer less than or equal to the specified decimal number. 41 Math.IEEERemainder returns the remainder resulting from the division 42 Math.Log Method returns the natural (base e) logarithm of a specified number. 43 Math.Log Method returns the logarithm of a specified number in a specified base. 44 Math.Log10 Method returns the base 10 logarithm of a specified number. 45 Math.Max Method returns the larger of two 8-bit unsigned integers. 46 Math.Min Method returns the smaller of two 8-bit unsigned integers. 47 Math.PI Field represents the ratio of the circumference of a circle to its diameter, 48 Math.Pow Method returns a specified number raised to the specified power. 49 Math.Round Method rounds a decimal value to the nearest integral value. 50 Math.Sign Method returns a value indicating the sign of a decimal number. 51 Math.Sinh Method returns the hyperbolic sine of the specified angle. 52 Math.Sqrt Method returns the square root of a specified number. 53 Math.Tan Method returns the tangent of the specified angle. 54 Math.Tanh Method returns the hyperbolic tangent of the specified angle. 55 Math.Truncate calculates the integral part of a specified decimal number. 56 double extension method for Radian/Degree conversion 57 Prime Number Utility 58 Fibonacci number 59 Almost equal and Epsilon 60 Is Value in the range 61 Angle Utility 62 Factorial value 63 Mean value 64 Get BMI 65 Conver Kg To Lb 66 Rational Class 67 Generic Max Min 68 Knuth shuffle 69 Calculate Distance between two points 70 Mesh Utilities 71 Generic Pair 72 Permutation demo 73 Calculate Variance 74 The normdist