Interactive Primer

Spec sheet

Free plan

YesRead 22 Sep 2026 · interactiveprimer.com

Privacy

Student progress stays in the learner’s browser unless they choose to sync it.Read 12 Oct 2026 · interactiveprimer.com

Support

Users can report page-specific feedback through the site menu or contact the project through GitHub Discussions.Read 12 Oct 2026 · interactiveprimer.com

Accessibility

The site aims to meet WCAG 2.1 Level AA and says it is partially conformant; the graph explorer is not yet fully keyboard- or screen-reader-operable.Read 12 Oct 2026 · interactiveprimer.com

Adaptive learning

YesRead 22 Sep 2026 · interactiveprimer.com

Curricula

The lessons are mapped to UK Key Stages, GCSE and A-level; US Common Core and AP; Australian, Canadian, and South African syllabuses; and IB programmes.Read 12 Oct 2026 · interactiveprimer.com

For schools

The school library covers mathematics, physics, and computer science from early counting through A-level and beyond, with no sign-up or installation required.Read 12 Oct 2026 · interactiveprimer.com

Gamified practice

YesRead 22 Sep 2026 · interactiveprimer.com

Guided lessons

YesRead 22 Sep 2026 · interactiveprimer.com

Interactive content

Lessons use animations, interactive diagrams, and randomized quizzes.Read 12 Oct 2026 · interactiveprimer.com

Lessons

Each concept is taught on its own page, and courses provide guided paths through related concepts.Read 12 Oct 2026 · interactiveprimer.com

Licenses

The lessons use CC BY-SA 4.0 and the code uses AGPL-3.0.Read 12 Oct 2026 · interactiveprimer.com

Offline access

YesRead 22 Sep 2026 · interactiveprimer.com

Placement

A Getting Started quiz identifies a learner’s knowledge frontier in school mathematics, physics, or computer science.Read 12 Oct 2026 · interactiveprimer.com

Progress tracking

The progress dashboard shows mastery, streaks, what is ready to learn, and what is due for review.Read 12 Oct 2026 · interactiveprimer.com

Security and compliance

The opened maker pages provide no stated security certification or compliance claim.Read 12 Oct 2026 · interactiveprimer.com

Supported platforms

webRead 22 Sep 2026 · interactiveprimer.com

Themes and language

The site offers light, dark, and fun themes, and lets users switch the language from the menu.Read 12 Oct 2026 · interactiveprimer.com

What it is

Interactive Primer is a free, open-source collection of smart web pages teaching mathematics, computer science, and physics.Read 12 Oct 2026 · interactiveprimer.com

Plans and prices

Every Interactive Primer plan and price →

Where Specifiction places it

• Math Learning Apps#31 of 1228.2