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EXP() Function in SQL Server
  • Last Updated : 29 Dec, 2020
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EXP() function :

This function in SQL Server is used to return a value which is e raised to the nth power, where n is a specified number. Here “e” is a mathematical constant and the base of natural logarithms whose value is 2.7182818 and n is the input number taken as the parameter of the function.

Features :

This function is used to find a value which is e raised to the nth power.

Here the value n, is taken as the parameter of the function.



Here “e” is a mathematical constant and the base of natural logarithms whose value is “2.7182818”.

This function use the formula “(e)n = Returned value“.

Syntax :

SELECT EXP(number);

Parameter :

This method accepts a parameter as given below:

  • number: Specified power number.

Returns :

It returns a value which is “e” raised to the nth power, where n is a specified number.

Example-1 :



Getting value 1.0 which is “e” raised to the 0th power.

SELECT EXP(0);

Output :

1.0

Example-2 :

Getting value 2.7182818284590451 which is “e” raised to the 1st power.

SELECT EXP(1) As New;

Output :

2.7182818284590451

Example-3 :

Using EXP() function with a variable and getting value 11.023176380641601 which is “e” raised to the (2.4)th power.

DECLARE @Parameter_Value Float;
SET @Parameter_Value = 2.4;
SELECT EXP(@Parameter_Value);

Output :

11.023176380641601

Example-4 :

Using EXP() function with a variable and getting value 0.1353352832366127 which is “e” raised to the (-2)nd power.

DECLARE @Parameter_Value int;
SET @Parameter_Value = -2;
SELECT EXP(@Parameter_Value);

Output :

0.1353352832366127

Application :

This function is used to return a value which is “e” raised to the nth power, where n is a specified number.

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