Properties of Exponents Issue w/ HP Prime

[Joe Horn]

(12-12-2014 06:08 AM)John P Wrote:  I remember fom my algebra cources that leaving roots in the denominator was always a bad idea. Expression was considered simplified when there was no roots in the denominator.

A succinct explanation of the history of "rationalizing denominators", with the pros and cons of still teaching it (and doing it), is presented by "Dr. Math" here: http://mathforum.org/library/drmath/view/52663.html