If you prefer functions:
=POWER(A1, 1/6)

best wishes
Bernard

"Brion Kidder" <Brion wrote in message
...
How can I figure the y root of n for x, such as the power 6 root of 15625,
which is 5 (5^6 = 15625).

LOG(15625,5) = 6 but how do I do it the other way around, using 15625 and
6
to find 5?