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DIY Calculator
04-10-2019, 06:38 AM
Post: #19
RE: DIY Calculator
(04-09-2019 03:25 PM)agarza Wrote:  
(04-09-2019 11:22 AM)Dave Britten Wrote:  Hey, if Sinclair can make a programmable scientific calculator with half the ROM of an HP-35, then a 32KB AVR should be no sweat! ;D

Since it's an AVR, I would suggest including a USB programming port (would that model require an external USB-to-TTL chip?) and leaving the Arduino bootloader on it. It would make for a very nice platform for experimentation.

I have no idea how Sinclair did such a feat. I have run out of memory.

Here is how Sinclair's Nigel Searle achieved a scientific calculator (non-programmable) in under 320 words of code.
http://files.righto.com/calculator/sincl...lator.html
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Messages In This Thread
DIY Calculator - agarza - 04-08-2019, 11:01 PM
RE: DIY Calculator - Dave Britten - 04-09-2019, 03:09 AM
RE: DIY Calculator - agarza - 04-09-2019, 09:42 AM
RE: DIY Calculator - Dave Britten - 04-09-2019, 11:22 AM
RE: DIY Calculator - agarza - 04-09-2019, 03:25 PM
RE: DIY Calculator - rprosperi - 04-09-2019, 05:35 PM
RE: DIY Calculator - Dan - 04-10-2019, 05:31 AM
RE: DIY Calculator - Steve Simpkin - 04-10-2019 06:38 AM
RE: DIY Calculator - Dave Britten - 04-10-2019, 02:02 PM
RE: DIY Calculator - agarza - 04-10-2019, 09:06 PM
RE: DIY Calculator - Dan - 04-09-2019, 05:40 AM
RE: DIY Calculator - agarza - 04-09-2019, 09:47 AM
RE: DIY Calculator - agarza - 04-09-2019, 05:03 PM
RE: DIY Calculator - agarza - 04-09-2019, 05:43 PM
RE: DIY Calculator - agarza - 04-09-2019, 07:12 PM
RE: DIY Calculator - agarza - 04-09-2019, 08:45 PM
RE: DIY Calculator - rprosperi - 04-09-2019, 10:55 PM
RE: DIY Calculator - agarza - 04-10-2019, 02:20 AM
RE: DIY Calculator - Eddie W. Shore - 04-12-2019, 01:00 PM
RE: DIY Calculator - Maximilian Hohmann - 04-12-2019, 01:54 PM
RE: DIY Calculator - Steve Simpkin - 04-13-2019, 04:52 AM



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