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It's most likely based on the Poor Man's Integrator (amongst other tricks)

https://mathoverflow.net/questions/67727/the-easiest-symboli...

Treasure trove for people into this sort of thing https://www.researchgate.net/profile/Robert-Dr-Kragler

is this just a total guess? the repository says it's forked from KhiCAS, which is a ti84 port of Giac/Xcas, which can do full Risch integration if necessary

https://github.com/KhiCAS/ti-ce-giac/blob/main/kintg.cc#L288...

Flow CE is unlikely to have the full risch.. one could compromise with, "pmint with risch characteristics"

i don't see any changes in the fork of KhiCAS's giac that would suggest something like that.

https://github.com/tommyb3ll/ti-ce-giac https://github.com/tommyb3ll/ti-ce-giac/blob/main/kintg.cc#L...

why do you think it's unlikely? if KhiCAS does it, why wouldn't this fork?

Alright. I jumped to conclusions skimming that kintg.cc (before a risch call would even be considered)

Parts of it looked very much like pmint's core tactic of matching coefficients (given a form)

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