A hardware implementation solves for the value of X.sup.Y, where X and Y are real (fixed point or floating point) numbers by using the formula X.sup.Y =exp (log.sub.e (X.sup.Y))=exp(ln(X.sup.Y))=exp(Y*ln(X)). A fixed point representation of X, output from a flip-flop, is used to address a floating point...http://www.google.com.au/patents/US6128638?utm_source=gb-gplus-sharePatent US6128638 - Method and apparatus for calculating X to the Exponent of Y