Ever need a calculator during math class but accidently left it at home. Well of course considering you take your PSP anywhere, you pull out your PSP and load up ZX-81’s Ti-92 Calculator Emulator. Of course for situations like those you’ll need the calculator to be bug free, so ZX-81 has released another great update for this emulator.

PSPXTI v1.2.2 changes:
- Major speed improvements
- New eboot icons from Raven’s web site
- Add view fps and frameskip options
- Bug fix in the low battery watchdog
- Analog pad can be used in the program file requester
Download PSPXTI v1.2.2 fw 1.50
Download PSPXTI v1.2.2 cfw 3.xx (psp slim)
- source: ZX-81’s web site