Adding Comments in CAS and prettify parameter form (surface) of a plane[br]text handling in CAS is very special do LaTex vectorisation as {array} in AlgebraView [br]P→ov, n→r[sub]n[/sub], u→r[sub]u[/sub], v→r[sub]v[/sub] [br]concatenate parameter form E2 in tLatex2/tLatex3 and display in CAS as Formulatext(tLatex[sub]i[/sub]) [br][br]Make sure (Construction View) that the latex elements are after the CAS elements they use in the construction order.[br]The latex comments cannot simply be placed in the CAS under these circumstances - Insert Above/Below!