Christophe de Dinechin

> 'exp(-x/2_s)' 'x' ∂ giving -(2 s÷2 s²)·exp(-(x÷2 s)) is numerically wrong. Actually it gives '(-((2_s)÷(2_s)²))·exp(-(x÷(2_s)))' which is numerically correct. It's (2_s)² and not 2_(s²). The visual rendering is bogus,...

Hi @prismv, thanks for the report. I can't reproduce on 0.9.2. Could you please either give me an exact sequence of keys that leads to the problem, or alternatively close...

The example on the HP Museum Forum finally allowed me to understand what you were doing exactly. The problem is now fixed, both for the [original case on the HP...

There was absolutely nothing between 0.9.5 and 0.9.5.1 that could possibly impact derivatives. The only changes impacted measurement of time for the `Wait` command and the user interface.

At least on the latest simulator, I cannot crash until I add `Ssf`. So the code for the first one is: ``` rpl « 0 0 0 → f xv...

To get a crash you need: ``` rpl « 0 0 0 → f xv σx funits σxunits fv « 'f|x=xv' Evaluate →Num 'fv' Store fv if fv TypeName "unit"...

The reason for that bug is "funny". When in numeric results mode, the computation for rendering uses decimal values. The value for the seconds is not exact. We are trying...

The problem appears restricted to the `eqns` branch, it does not occur on `dev`. Bisecting.

Bisecting is complicated by the presence of versions that do not compile, e.g. `[233f74539730470daa9e5e70de6a5a1a74ecd429] Update equations_JW_24_11_12_AM.cc` which has a stray `zzz` inside.

Also annoying that the commits were made without a build, so that means the build creates the `db48x.md` file, causing `git bisect` to fail at the next iteration because it...