EXP() — Returns the exponential of the specified numeric expression.
EXP( numeric-expression )
The EXP() function returns the exponential of the specified numeric expression. In other words, EXP(x) is the equivalent of the mathematical expression ex.
The following example uses the EXP function to calculate the potential population of certain species of animal projecting out ten years.
SELECT species, population AS current, (population/2.0) * EXP(10*(gestation/365.0)*litter) AS future FROM animals WHERE species = 'rabbit' ORDER BY population;