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Mathigon is completely free to use for students, teachers and parents!

Most of our content and features are available without creating an account, but you need to sign in to save your progress. Visit our privacy policy to see what data we collect and how we use your personal information.

Yes, Mathigon is available in more than 20 different languages! Simply click the user icon in the top right corner and then select Change Language.

Translations are generated by volunteers or by automated software. Please let us know if you find any mistakes or if you want to help us create additional translations.

You can visit the SDPC website to see if another district in your state has already signed a data privacy agreement with Mathigon. In that case, you only need to complete Exhibit E and email us a copy.

We can only sign privacy agreements that closely follow the SDPC template. Since Mathigon is a free product, we cannot reimburse schools or districts for any costs related to using Mathigon – including data breaches. Please get in touch if you have questions.

This answer only applies to schools in the United States

Most parts of Mathigon follow the WCAG 2.1 accessibility standards at the AA level, and you can see a detailed breakdown on our accessibility page.

Our interactive courses also contain built-in audio narrations for students with reading difficulties. These work will all the different interactive elements, questions and equations: simply hover over a paragraph and click the play button at the start. Please note that this feature is only available in English.

Yes – our native mobile apps for iOS and Android are free to install and work offline! If you sign into your account, they will periodically sync your progress data with our server, while you are connected to the internet.

Take a look at our Teachers page for a summary of all the tools and resources we offer to teachers, as well as different tutorial videos.

We also have a large library with more than 70 tasks and lesson plans for Polypad, covering the entire mathematics curriculum.

Building our interactive courses takes a long time: from research to writing, graphics design, and programming. Unfortunately, we cannot promise when a specific topic will be finished. However, our team of writers and engineers is always working on new content. If you have a Mathigon account, you can subscribe to our email newsletter to receive regular updates.

Mathigon’s courses are divided into many small steps, and we want students to actively participate at every step before we show the next one.

However, when you first visit a page, there is a grey banner in the top-left corner which shows the approximate length of this chapter, and allows you to reveal all content at once. Later, you can also scroll to the very bottom of the page and click either “skip to the next step” or “reveal all steps”.

Please note that revealing all content will disable some of Mathigon’s personalisation features.

Not necessarily: the chapters within a course do build upon the ideas from the previous chapters, but students can always go back as needed.

Thank you helping us to improve Mathigon. Simply send us a message using our contact form!

Our virtual tutor provides hints and help if students are stuck, or encouragement if they answer questions correctly. Students can also ask questions, which we try to answer directly, using Wolfram|Alpha, or by finding appropriate educational YouTube videos. It is not possible to disable the tutor.

Yes! You have to create a teacher account and link your students to one of your classes. Then you can track their progress on your teacher dashboard.

This video shows how you can add and remove classes and students on your teacher account.

Yes – simply go to your account settings page and then click the corresponding button.

You can add co-teachers to any class in your teacher dashboard. Open the class and then click on “Add new co-teacher” on the right hand side. Then, just enter the email address of the co-teacher you want to add. Before doing so, make sure they have a Mathigon teacher account associated with the email you enter.

No timeline can ever show everyone who has contributed to mathematics: because of limited space, but also because research and discoveries were often misattributed throughout history. On our timeline, we tried to select both those mathematicians and artifacts who had the greatest impact, and those who best show the diversity of mathematicians. We are regularly reviewing our content and adding additional mathematicians and artifacts.

Mathigon is free to use for students and teachers, but we license our content and technology to other organisations and publishers who want to make their products more interactive and engaging.

You can only use Mathigon for non-commercial purposes: this includes in schools or universities or for educational research. If you want to use Mathigon for something ele, please contact us to sign a commercial licensing agreement.