Disambiguate ourselves: this document has nothing to do with integration accuracy.
We just demonstrate how to view quick indefinite integral [in three examples].
Comfort yourself, Smath associated with some advanced integrators will produce
as accurate integration than Mathcad 11, per say. That is another story under
renovation ... already in good shape.
Why so long to come ? Because of complete classroom for end use.

Jean

Integrate Compendium_000 Indefinite RECAST.sm (39 KiB) downloaded 140 time(s).

BTW: the f(x) 1rst example is the sub/super sonic Mach ...
hyper accurate up to Mach 15