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Oracle® Database SQL Reference
10g Release 1 (10.1)

Part Number B10759-01
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EXP


Syntax

exp::=
Description of exp.gif follows
Description of the illustration exp.gif


Purpose

EXP returns e raised to the nth power, where e = 2.71828183 ... The function returns a value of the same type as the argument.

This function takes as an argument any numeric datatype or any nonnumeric datatype that can be implicitly converted to a numeric datatype. If the argument is BINARY_FLOAT, then the function returns BINARY_DOUBLE. Otherwise the function returns the same numeric datatype as the argument.


See Also:

Table 2-11, "Implicit Type Conversion Matrix" for more information on implicit conversion


Examples

The following example returns e to the 4th power:

SELECT EXP(4) "e to the 4th power" FROM DUAL;

e to the 4th power
------------------
          54.59815