%0 Journal Article %T Equivalent Function to the Implicit Function XY = YX %J Applied Mathematics %@ 2163-1425 %D 2012 %I %R 10.5923/j.am.20120202.02 %X This short paper deals with the implicit function , X,Y > 0, and shows surprinsingly how accurately it is equivalent to another very much simpler and explicit function. %K Power Exponential Function %K Equivalent Function %K Approximation %U http://article.sapub.org/10.5923.j.am.20120202.02.html