The Casio FX-880P paired with the FA-6 expansion is quite capable for various purposes. As an experiment, I ported the banner and maze programs and tried the globe program as well.
Tag: Casio PB-100
I recently acquired the PC-4 printer and cassette modules and wrote a version of my banner program for this model pocket computer. With only 544 bytes available, it was the most challenging version to code.