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Re:How Many Decimals of Pi Do We Really Need? (2016) by kens on Monday September 28, 2020 @01:24PM (#24619051)
I'm glad you asked :-) I reverse-engineered the Sinclair Scientific calculator, documented its code, and built a simulator: http://files.righto.com/calculator/sinclair_scientific_simul...

The short answer is that they used a 4-function calculator chip with just 320 words of ROM and managed to reprogram it into a cheap scientific calculator, a remarkable feat. The tradeoff was that the calculator was very slow and inaccurate.

Re:How Many Decimals of Pi Do We Really Need? (2016) by taylodl on Monday September 28, 2020 @01:47PM (#24619325)
That's amazing! Thank you for sharing!