What's your favorite non-RPN HP?

[everettr]

(05-19-2014 04:44 PM)Dave Britten Wrote:  Perish the thought, I know. But in reality some of them were pretty decent. For example, the almost-programmable 17B and 19B. In a lot of cases, the solver makes it easier to create a "program" for relatively simple tasks....

With a science background, I did not give "B" units a second thought until I saw a 17B for almost nothing compared to other vintage HPs, on TAS. I have developed a lot of respect for the unit since then, discovering the

• joys of TVM
• close kinship with the 42s, useful for practice surgery or organ donation
• power of the solver
  

I also really like the 21s. It has HP quality, some unique features, and is something I can leave on my desk at work.