On Sun, Jul 19, 2009 at 12:28 AM, jim holtman<jholtman at gmail.com> wrote: > First of all, read FAQ 7.31 to understand that 1/3 is not > representable in floating point. Also a^b is actually exp(log(a) * b) > and log(-8) is not valid (NaN). > If this is so, why would the following evaluate as expected? > (-8)^(3) [1] -512 Liviu