This is gorgeous. I’m very afraid if I buy one it will trigger a wave of revulsion for normal everyday products and I’ll become one of these obsessive people who talk about fonts.
How many 4-function calculators have n-key rollover? What would that even be used for? Are you touch typing on the calculator at 100 digits per minute?
Time to start a project to make a handcrafted lacquer face for some other calculators; I have a few HP-80 (https://www.hpmuseum.org/hp80.htm) to test the idea on ;)
I was never more unpopular at school than the day we had an exam and I was learning RPN on a calculator that beeped every time you hit the wrong key.