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KoalaCalc is an extremely feature packed calculator, offering even unique functionality such as voice recognition and custom functions.
KoalaCalc-Classic-4.sit (1.53 MiB / 1.6 MB)
KoalaCalc v4.3.1 (2005) / compressed w/ Stuffit
Architecture: PPC (Carbonized for OSX)
At least 13MB of free RAM
Mac OS 9.x - Mac OS X
Emulating this? It should run fine under: SheepShaver