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by harrall 250 days ago
Personal faves:

- Mathematica

- Maple

- MathStudio (mobile)

- Ti-89 calculator (high school favorite)

Others:

- SageMath

- GNU Octave

- SymPy

- Maxima

- Mathcad

1 comments

TI-89 has surprisingly good symbolics tools and solvers for something that runs all year on a single set of AAA batteries. Feels like magic alien tech.