One of the things I picked up was a Numworks calculator (https://www.numworks.com/ https://www.numworks.com/) which makes the technical specs available. I've wr

One of the things I picked up was a Numworks calculator (https://www.numworks.com/ https://www.numworks.com/) which makes the technical specs available. I've written my own firmware to play around with calculator UIs for fun. They don't do a particularly good job with buttons though, and a nicer screen would be a bonus. All in all though, a calculator you program in python is pretty cool.