See bottom of:
[
https://web.archive.org/web/20071010094532/http://www.pacifict.com/Secre...][1]
This is the original version of the Graphic Calculator application
which runs on 68K macs. Tested on a PowerBook 170 under System 7.5.5.
Compatibility
Architecture: 68k
[1]:
https://web.archive.org/web/20071010094532/http://www.pacifict.com/Secrets.html#68k (
https://web.archive.org/web/20071010094532/http://www.pacifict.com/Secrets.html#68k)