Just a brief reminder that we have two units of hp19bii available at the shop. These are wonderful machines (see my thoughts on this model here and here), with just the problem of the side battery door. Sadly, the back door model is much more rare, sought after and therefore expensive.
As many of you that have calculator collections, I use some at work; and again as many of you, I don’t use always the same one. I have been using the hp prime as of late, but after reading the fantastic HP19bii manual, I have taken my collection piece for this travel week. In my opinion, it has the best set of functions for an industrial company manager. Apart from all financial calculations, laid out in the best menu-driven system ever designed for calculators, there are other very practical functions:
You can find the two units here: HP 19bII - USADA