DynSys FD is a Finite Differences ODE solver.
Not exhaustively tested, nice Lorenz demo.
Be patient for animation to terminate.
Welcome for more contribution.
Cheers ... Jean.

ODE Lorenz [dynSys].sm (21 KiB) downloaded 30 time(s).
Inst_PID DynSys_v01 QUICK Copy.sm (49 KiB) downloaded 26 time(s).