F-Droid has an Android port of the Unix maxima, which is a whole free and open-source computer algebra system, that handles all my heavier lifting. And I’m pretty sure that every phone that I’ve ever seen ships with at a software package that can act as a five-function calculator, if someone is just looking for something simple.
F-Droid has an Android port of the Unix maxima, which is a whole free and open-source computer algebra system, that handles all my heavier lifting. And I’m pretty sure that every phone that I’ve ever seen ships with at a software package that can act as a five-function calculator, if someone is just looking for something simple.
Both of those are very different use cases from what I have, though.