GeoGebra
Free dynamic mathematics software for geometry, algebra, statistics and calculus, all in-browser.
- Science & Space
- Free
- geogebra.org
- Category
- Science & Space
- Price
- Free
- Address
- geogebra.org
- Added
- Tags
Websites like GeoGebra
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Ptable
The interactive periodic table everyone ends up linking to. Drag the temperature slider to watch the elements melt and boil, or switch to orbitals, isotopes and compounds.
- Science & Space
- Free
- ptable.com
-
PhET Interactive Simulations
Hundreds of physics, chemistry and biology simulations you can poke at — drag a mass onto a spring, mix a solution, build a circuit and watch it burn out.
- Science & Space
- Free
- phet.colorado.edu
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Scale of the Universe
Zoom continuously from the Planck length to the observable universe. Still stunning years later.
- Science & Space
- Free
- scaleofuniverse.com
-
Math is Fun
Plain-language, illustrated explanations of maths from counting to calculus, with puzzles and little interactive tools. Still the clearest on the web.
- Learn
- Free
- mathsisfun.com
-
Seeing Theory
Probability and statistics taught as things you drag: sample from a distribution, watch a regression line settle, see the central limit theorem happen in front of you.
- Learn
- Free
- seeing-theory.brown.edu
