Error with exponential fractions

[parisse]

(11-12-2014 02:53 AM)kcnicho Wrote:  I really want to like this calculator. I want to be able to rely on it like I did my HP15C & the many models after that. But the Prime just seems to have these basic problems with its CAS, that I'm wondering whether I can rely on it at all?

It's not a CAS bug, it's an UI bug as can be seen by unchecking textbook display (2-d display/entry is not as mature as 1-d entry/output).