In Smath and any CAS there is no push button "Solve", neither in Win.
Native Smath f(x) offers 3 solvers: roots, solve, FindRoots.
Two more are available: root [undocumented], Maple RootOf.
This Companion Treasury is a first brew, usable as is.

Jean ... Enjoy/comment

Solve TREASURY_00000 [Advection CREATE].sm (48 КиБ) скачан 71 раз(а).
Solve TREASURY_000 [root, RootOf LECTURE].sm (114 КиБ) скачан 73 раз(а).
Solve TREASURY_00 [Tridiagonal].sm (107 КиБ) скачан 50 раз(а).
Solve TREASURY_1 [Iterate L, Lc].sm (267 КиБ) скачан 62 раз(а).
Solve TREASURY_0 [General].sm (325 КиБ) скачан 58 раз(а).
Solve TREASURY_0000 [Advection Anim].sm (1 МиБ) скачан 59 раз(а).