How do you like the Woodstock calculators?

[Steve Simpkin]

My HP-25 was my first HP. It worked so well that I used it as my only calculator for almost 10 years. From high school through 4 years of college and my first job as an engineer. That said, the battery charger design was a poor choice and I was very lucky that the combination of ancient batteries and the charger didn’t kill it. I only run it on alkaline batteries now.

Other than that, the physical design was great and it fit my hand like a glove. It is one of the few HPs I own that can be used with one hand.

Here is more information on the design.

https://www.hpl.hp.com/hpjournal/pdfs/Is...975-11.pdf