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by seanhunter
33 days ago
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If you want a serious OSS calculator, a great choice is the Free42 project by Thomas Okken, which is a GPL-licensed project that is entirely compatible with the HP-42. https://thomasokken.com/free42/ Not really a graphing calculator (although you can plot a bit) but is a proper old-school rpn scientific calculator with programming, numerical integration and solver, amazing complex number support etc, and has stood the test of time. All the things you would expect if you've used an HP-42 or similar. |
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