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OTZ80 - Remember it? :D

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Spyro543:
Why can't we use a PIC? A PIC micro has almost everything we'll need to make a calculator (a bigger EEPROM would be required though). A display wouldn't be too hard to do either. For a text only display (for a scientific calculator), a 4 line by 16 character display using a Hitachi 44780 are really easy to work with. For a graphical display, I have a small, 128 wide by 64 tall pixel LED display with no screen blur at all, and plus, it's really bright!

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