# Reference/exp

From Kx Wiki

# exp

This function computes e^{x}, where e is the base of the natural logarithms. Integer arguments are promoted to floating point. Null is returned if the argument is null.

q)exp 1 2.718282 q)exp 0.5 1.648721 q)exp -4.2 0 0w 0.1 0.01499558 1 0w 1.105171

## See also

For a complete list of functions, see the kdb+ Function Reference.