#maths or #math at irc.libera.chat is pretty active. For CS / Physics, perhaps try asking there too, I usually hang out in #emacs and #vim. #emacs is super act

#maths or #math at irc.libera.chat is pretty active. For CS / Physics, perhaps try asking there too, I usually hang out in #emacs and #vim. #emacs is super active, so if you ask there, you will get good pointers