Plus42 algebraic expressions update

[Thomas Okken]

(03-09-2021 01:41 AM)johanw Wrote:  I know it's off-topic and also discussed before, but now Free42 is getting an overhaul, could you also consider allowing non-integer inputs for the factorial function? All other HP's (or reproductions) I know, like my DM15's, interpret x! = Gamma(x + 1).

No, I'm not going to do that, because...

(03-09-2021 01:41 AM)johanw Wrote:  Or are there programs that would be broken by this change?

...there is no way to know that.

I assume the reason why the HP-42S has separate N! and GAMMA functions is because of compatibility with the HP-41C FACT function, which takes only integer arguments, and for the sake of compatibility with the 42S, I'm keeping it that way as well.