software for HP39gs/40gs

The reference page for this series of calculators is Colin Crofts, which has a huge amount of software for the machines. He seems to have participated in the development ofthe series.

Here is the Full software package

And here are some if its contents:

• ADK39 - Aplet Development Kit for the HP39G/HP40G
• An HP 39gs emulator, based on Emu48
• HP paint 1.3

There is an interesting applet made by Jordi Hidalgo, that effectively converts an HP39G (without CAS) into a HP40G (with CAS):

Applet to enable CAS on a HP39G