how to clear a variable in an equation, for example P.V = R.T.n, how to make the variable "T" appear, is there a command that does that?,

I hope I understand the problem
magnus_01.sm (4 KiB) downloaded 88 time(s).
you need to install the Maxima plugin (and have Maxima installed)

sergio

Wrote

I hope I understand the problem
magnus_01.sm (4 KiB) downloaded 88 time(s).
you need to install the Maxima plugin (and have Maxima installed)

sergio

I opened the file, but I get this "Initializing error. Please check path to Maxima under Insert> Maxima> Settings.",
I have wxMaxima installed and also the Maxima plugin on Smath