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Beautiful free math.

At Desmos Studio, we want to help everyone learn math, love math, and grow with math.

Open Graphing Calculator

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Graphing Scientific Four Function Matrix Geometry 3D

Desmos Classroom, which is now a part of Amplify, is a learning and teaching platform with hundreds of free, interactive K–12 lessons!

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Teachers

Find interactive and creative lessons for your class, or build your own.

Find or build interactive lessons.

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Students

Enter a classcode to join your classmates!

Join your classmates!

Use the combined power of the Desmos Calculator and native construction and transformations tools to explore geometry as never before.

Open Geometry Examples

Have you ever felt like two dimensions isn't quite enough? The Desmos 3D Calculator lets you explore curves, surfaces, and points in all three dimensions.

Open 3D Examples

All three graphs on this page were made in Desmos. See how: Graphing, Geometry, and 3D.

Map of America highlighting the states where Desmos is available

Digital SAT® Suite, AP® Exams, and Pre-AP® Exams
International Baccalaureate® (IB) Middle Years Programme (MYP)
ACT® State & District and PreACT® Online Assessments
NWEA MAP® Growth™
Smarter Balanced
State tests in: Alabama, Alaska, Arizona, Arkansas, California, ... and 43 more!

Use our API to embed the power of Desmos's tools right into your products.

Image of Flags of the World -- The 'A' Collection

“Flags of the World -- The 'A' Collection” by Andrew Roden

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“Reaching Out” by John Choe

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“Whiskers & Wonder” by Aditi Boddu

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“Hamster Game” by Evan Chen

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“Deck the Halls With Desmos” by Madelyn Manley

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