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Math and personal-finance calculation tools

Portable symbolic algebra with numerical approximation

Computer algebra with graphs, geometry and statistics

MIT course materials for independent study.

Mathematical problems that reward programming solutions

Topic-based calculators for practical questions

Formula calculators with selectable input units

Calculators with contextual input help

Calculus and algebra calculators with explanations

Construction and everyday calculations with searchable tasks

Scientific and everyday calculations with units

A searchable catalogue of calculations and conversions

Engineering formulas, reference data and calculation tools

Symbolic and numerical mathematics with notebook interfaces

Symbolic expressions with documented algorithms

Everyday calculation categories with a simple keypad

Convert TeX-family sources into web and ebook formats

A browsable mathematical reference organized by subject

A subject-organized archive of scholarly articles

STEM graduate jobs, placements and employer information

Calculators for work, study and household questions

Symbolic, numerical and number-theory calculators

Interactive explanations of algorithms used in games

WebGPU learning from buffers and shaders to rendering techniques