Are there any "good" HP 30b keyboards out there??

[Thomas Radtke]

(05-07-2023 03:22 PM)rprosperi Wrote:  Even if reliable though, why use this if you have better ones, which from past posts you've shared, you surely have. Owning one, sure, collectible, etc. by why use it often enough to know that it's always reliable? Different strokes and all that...

Yes, you're right. When I was an active collector, I've put every new calculator into use for some time. Especially the business models got some attention since I wanted to learn about the mathematics. That's over now, and most calculators are retired.