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Hello all:

I would like to start some HP20B development.

Can anyone please recommend sources for hardware and software project details.

I would like to get 'lessons learned' from others in developing custom applications for the 20B.

Has anyone published any HP45, HP42 or other scientific calculator emulators?

Thanks,
TomC

Best resource out there:

HP-20b Wiki

thanks,
bruce

Bruce:

Excellent Stuff!!! Thanks,
TomC