Solving x^y=y^x

[Tim Wessman]

(10-28-2018 08:51 PM)Erwin Wrote:  possibility to define systemwide new functions and use it in Calculator and BASIC mode (of course FORTH too) - that was the reason why I grab my calculator to try it :-)

Prime does the same thing - either through a program or a simple define a function interface. The issue purely lies in tying that into the inner workings of the CAS to be able to recognize when it should use that function in simplifications, integrals, etc. They really are two separate things.