XTiger is an unix emulator (under X Window) of a TI-92 calculator (Texas instruments). It was originally written by Jonas Minnberg and was closed source. Jonas Minnberg has not worked on XTiger for quite a while and he gave Misha Nasledov the code and permission to GPL it.

Quote:

Here is a port on Dingoo / Dingux of the version i’ve previously ported to GP2X-Wiz

The package is under GPL Copyright and sources are included.

http://zx81.zx81.free.fr/serendipity/index.php?/archives/392-Dingux-TI92-A-TI-92-Calculator-emulator-v1.1.0-for-Dingux.html