DM-42 and WP-43S

[c785]

Thanks, Rob, for the suggestions. In fact, I've read most of what you referred to, in particular, I'm aware of the history of RPN.

Now what I don't get is this, on Free42 (and I don't think it's a bug in Free42): I'd like to divide a number (100) by another (5), then divide that further by another (2), but make sure that the first result (100/5) is kept on the stack for further processing.

So I do this: 100 ENTER 5 / ENTER 2 /

Which, incidentally, results in exactly the same stack as doing this: 100 ENTER 5 / 2 /

Neither keeps the intermediate result.

In order to get what I need, I need another ENTER: 100 ENTER 5 / ENTER ENTER 2 /

To be honest, I really don't get it. This has nothing to do with the (controversial) logic of dialing new numbers directly into X, which is probably easy to get used to. Note that the final division starts out with different stacks in the first two cases but delivers the same result. If this isn't a bug, what good is this "feature"?

Am I missing something really important?