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Desmos
The graphing calculator that made math class beautiful.
Desmos is a free online graphing calculator: plot functions, add sliders, animate parameters and share the result with a link. It is fast enough to think with, which is why classrooms standardized on it.
Best for: Use this when you want to see a function move as you change its parameters.
Pros
- Instant, smooth graphing with parameter sliders
- Shareable graph links for teaching and homework
- Free with no account required
Cons
- Not a symbolic algebra system, it plots rather than solves
- Focused on graphing, other math needs other tools
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