Wiz-TI92 emulates a Texas Instruments 92 calculator on the Wiz. Wiz-TI92 is based upon XTiger, which is an Unix emulator (under X Window) of a TI-92 calculator.

http://zx81.zx81.free.fr/serendipity/index.php?/archives/382-Wiz-TI92-A-TI-92-Calculator-emulator-v1.1.0-for-Wiz.html