[mturmon]

That’s a good review of the 28S. I had the same issues with mine, To the extent that I’m not sure where it is now!

I later got a 32Sii which is simpler, more focused, and better as a desk calculator. I had a 41cv for many years and loved it even more.

[heelix]

I was gifted an HP 28S that was given as a bit of swag when our lab picked up an HP mass spectrometer. The odd battery size was a challenge back in those days. That silly thing absolutely saved me on a physical chemistry exam where I could get something close enough that the calculator could do the integration. My trusty 48G is still on my desk. Incredible how solid these were compared to the HP of today.

[SomeHacker44]

You can get a modern HP-41 from Swissmicros which just launched its DM-41X. I just received mine and it is a very nice device.

[goatinaboat]

I have one too, it’s superb. Love that a business exists that is doing this.

[monkpit]

32sii gang represent

[dhimes]

I have the 41CV app on my iphone and it's wonderful.