Z transform library for the 50g

[informach]

Hi!, Compsystems:

How, are you ?.

I'm not Luis Fernando. I'm user, of this Forum (MACH, in http://www.adictos.org) and have installed, in my HP Slate 7 2800, Android 4.1.1 and my HP Slate 21 k-100, Android 4.4.2 KOTH49, the GO49G+.
I download all libraries what i used in my HP50G, to GO49G+. The libraries of Luis Fernando, for used in HP50, are availables for download if purchase the apk, of z transform and the inverse z transform (see, my image).
Too, are availables for, copy to, HP50G calculator.

Kind Regards.
informach.