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echo: os2prog
to: Richard Skinner
from: John Beal
date: 1995-12-03 11:54:00
subject: Cube Root

RS> I was wondering, in pascal, how do I return the Cube Root of
RS> a number?

If you have log and antilog functions available, then the nth
root of x would be:

  e ^ ((ln x)/n)

  or 

  10 ^ ((log x)/n)

Get the log (natural or base 10) of the base, divide by the
power, and get the antilog of the result, this is the nth root of
the base.


JPBeal.  Sunday, 12-03-1995

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