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 (48,99 KiB) scaricato 1194 volta(e).
Solve TREASURY_000 [root, RootOf LECTURE].sm (114,45 KiB) scaricato 1197 volta(e).
Solve TREASURY_00 [Tridiagonal].sm (107,4 KiB) scaricato 1110 volta(e).
Solve TREASURY_1 [Iterate L, Lc].sm (267,67 KiB) scaricato 1188 volta(e).
Solve TREASURY_0 [General].sm (325,35 KiB) scaricato 1150 volta(e).
Solve TREASURY_0000 [Advection Anim].sm (1,4 MiB) scaricato 1230 volta(e).