Flush and recessed displays of hp 27s calculator.

[carey]

(06-12-2024 04:41 PM)bxparks Wrote:  …I can understanding paying a little extra for an RPN scientific calculator, since those are no longer made. But a 35-year old algebraic calculator doesn't make sense to me.

This is a reasonable perspective but another view re: the 17b/19b/27s is the following. While programming languages are often regarded as interchangeable, the strengths and weaknesses of each language subtly affects the choice of problems they are applied to. The 17b/19b/27s unique solver “programming language” is a good fit for defining functions from sums and series.