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**Subject**: **Re: Symbolic equation solving in Lua**
**From**: Albert Chan <albertmcchan@...>
**Date**: Mon, 30 Apr 2018 09:58:47 -0400

> On Apr 30, 2018, at 9:03 AM, Gavin Wraith <gavin@wra1th.plus.com> wrote:
>
> If what you want is just a number then use a package,
> where the gotchas have been properly sorted. If what you want is understanding (not clear from original question) then reinvent wheel.
Also, do not trust the "number" too much.
Engineering formula is normally not "derived", but fitted.
The data points (to be fitted) also have errors.
-> number is an estimate of an estimate of an estimate
-> do not expect the package to remove all the gothas