How do I do exponents in Scheme?

Question

pow, ^, ** doesn't work, and Scheme seems to be too common a word to be able to effectively google it.

Answer 1

The answer is expt and I am typing because StackOverflow doesn't like too short answers.

Answer 2

expt

http://www.schemers.org/Documents/Standards/R5RS/HTML/r5rs-Z-H-9.html#%%5Fsec%5F6.2.5

Answer 3

From R5RS Standard Pocedures:

(expt z1 z2) 

Returns z1 raised to the power z2. For z1 0

z1z2 = ez2 log z1

0z is 1 if z = 0 and 0 otherwise.

Searching for "scheme reference" turns up this document.