Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.

12+

Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

17+

You must be at least 17 years old to access this App.

Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

GeoGebra Geometry 螢幕截圖

iPhone

About GeoGebra Geometry

Easily construct triangles, drag points, draw parallel lines, intersect circles, save and share your results. Millions of people around the world use GeoGebra to learn mathematics and science. Join us!

* Create constructions with points, lines, circles, polygons, and angles
* Explore interactive geometry by dragging points
* Measure lengths and areas
* Transform shapes by mirroring, rotating and dilating them
* Try advanced constructions with conics and locus lines
* Investigate construction steps to get deeper understanding
* Search for free learning activities directly from our app
* Save and share your results with others

Visit www.geogebra.org to learn more and find all our free GeoGebra apps. We’d love to hear from you: send us your questions or feedback via Twitter @geogebra or to support@geogebra.org