This is only a source code archive, SOLVESYS is no longer being maintained.
Except for the HP48S version, the source code has previously been published to [hpcalc.org] (http://www.hpcalc.org).
Currently, the following source trees are available:
- Solvesys49 (v1.2) (for the HP49G, may work on HP50G too?)
- Solvesys 4.03 (for the HP48G/GX)
- Stksolve 3.0a (stack-based solver that works on HP48S/SX)
All code is licenced under GPLv3.