[Instantix]

I was a Casio guy, having the fx-850p. It was a very nice object I enjoyed a lot but HP ones had their own touch for sure.

Talking about design, some of the Nintendo Game & Watch series were particularly lovely. It's the first "computer device" I can think of which was elegant.

https://www.flickr.com/photos/keithmidson/8082061808/in/phot...

https://uk.pinterest.com/pin/mickey-mouse-game-watch-nintend...

[wslh]

I haven’t specifically mentioned the fx-850p to keep the comment brief, but it’s obviously included in the point about form factor. Having a "calculator-computer" with BASIC was a blast! While others followed the notebook trend, CASIO maintained the idea of a calculator-sized computer, which was brilliant. If it weren't for those Japanese companies, we'd probably have far fewer devices to discuss today. Don't forget PSION (UK) either! Beyond today’s economies of scale, it was fantastic to have such variety. For instance, I’d love a modern calculator with Python functionality in a small display and compact size—not talking about the HP Prime, though I do like it as well.

Finally, I often think about a "dumb" calculator with a great form factor, a keyboard and display combo, that functions purely as a Bluetooth or Wi-Fi terminal for a computer we already own or even connecting to the cloud.