That's a gross oversimplification. From the video the poster provided:
* V16 of the Epsilon OS by Numworks removed the ability to install custom operating systems to the device in response to pressure from the Dutch education department, who had adopted the calculator as the standard for their education system. This was due to information provided by a different Youtuber accusing the platform of being used for cheating, and then provided modified versions of the OS that enabled cheating support by working around the Exam Mode functions.
A fair and true statement would be that the NumWorks calculator was originally marketed as open hardware, and that functionality was removed (similar to Sony removing OtherOS from PS3's).
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I just stumbled upon NumWorks and was excited to see some competition for TI's calculator monopoly [1].
It looks like NumWorks is open source (including the hardware) [2] and supports Python and Rust! [3]
[1] https://gen.medium.com/big-calculator-how-texas-instruments-...
[2] https://www.numworks.com/resources/engineering/
[3] https://github.com/numworks/epsilon-sample-app-rust
Unfortunately It seems it's not open source anymore https://m.youtube.com/watch?v=JSxBn_gxWXA
That's a gross oversimplification. From the video the poster provided:
* V16 of the Epsilon OS by Numworks removed the ability to install custom operating systems to the device in response to pressure from the Dutch education department, who had adopted the calculator as the standard for their education system. This was due to information provided by a different Youtuber accusing the platform of being used for cheating, and then provided modified versions of the OS that enabled cheating support by working around the Exam Mode functions.
A fair and true statement would be that the NumWorks calculator was originally marketed as open hardware, and that functionality was removed (similar to Sony removing OtherOS from PS3's).
It's tivoized hardware running closed-but-visible-source software. It's not an oversimplification at all to say it's not open source.