This is an adaptation of an old Data-East game, and my first 'real' program in assembly language on HP.
So, I didn't aim a technical feat, but a good playability.
No grayscales, but some sound! ;-)
I uploaded it only once in July 1995 on RTC-One (kind of french BBS).
It was later spread on the Internet.
More recently, Lilian Pigallio made a conversion for HP39/40 and 49:
This program allows you to compute a simplex with a symbolic form.
If it doesn't sound familiar to you, then you probably don't need it! ;-)
It's written in RPL.
To launch it : SPLX
Results are stored in the 'SOL' file
NB: system flag #22 has to be set (Infinite = +/-9E499)