(12C) Signum Function

[Gerson W. Barbosa]

(03-03-2019 05:51 PM)Dieter Wrote:  I wonder what happens in similar cases like

2 [+] [√x] [=]
or
5 [x] [LN] [x²] [=]

I'd expect 3,41 and 12,95 but obviously you never know...

That’s what I get on my TI 57, but on my 12c Prestige (and on the latest Platinums, I presume), arguments on the display cannot be reused after an operator. Thus, in order to get what you want the following sequences should be used:

2 [+] 2 [√x] [=] -> 3.414213562

5 [x] 5 [LN] [x²] [=] -> 12.95145197

IMHO, this is a feature, not a bug. Although the old behavior is apparently more convenient in some situations, I prefer this new one (or at least I would if I chose ALG, which I never will).

Gerson.