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GeoGebra

Interactive geometry, algebra and 3D in one classroom suite.

Tool·Converters & Calculators·Free

Visit geogebra.org
GeoGebra screenshot

About GeoGebra

GeoGebra is a suite of free interactive math apps covering geometry, algebra, a CAS, 3D graphing and statistics, used widely in schools. Constructions are dynamic, so dragging a point updates everything built on it.

Best for: Use this when you need dynamic geometric constructions or symbolic math, not just plots.

Pros

  • Covers geometry, CAS and 3D beyond plain graphing
  • Huge library of community-made classroom activities
  • Free on web, desktop and mobile

Cons

  • Several overlapping apps can confuse newcomers
  • More setup than a quick single-purpose calculator

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