2^ ( n -- 2^n )
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Vocabulary
math

Inputs
na positive integer


Outputs
2^na positive integer


Word description
Computes two to the power of n. This word will only give correct results if n is greater than zero; for the general case, use 2 swap ^.

Definition
USING: kernel ;

IN: math

: 2^ ( n -- 2^n ) 1 swap shift ; inline