OSSU Math

github.com/ossu/math Mathematics Learning Open-source projectOpen source

OSSU Math lays out a complete self-taught mathematics curriculum using online learning materials.

github.com/ossu/math
OSSU Math homepage screenshot

About OSSU Math

OSSU Math provides a self-directed mathematics curriculum using online courses and books, modeled on undergraduate math major requirements without general education courses. It divides study into required Core Mathematics and elective Advanced Topics, with courses sorted by prerequisites and selected to match the 2015 CUPM Guide, be open for enrollment, and run regularly.

Study can be done alone or in groups, in order or out of order. Finishing in about 2 years requires roughly 18-22 hours per week with careful planning, and some courses may charge for grading of assignments, tests, or projects.

Key features

  • Curriculum ordered by prerequisites from introductory thinking to advanced topics
  • Core Mathematics section covering calculus, linear algebra, discrete mathematics, and more
  • Advanced Topics electives with option to specialize or create custom subject
  • Course selection based on 2015 CUPM Guide and regular availability
  • Book supplements when no suitable open-enrollment course exists
  • Community support through Discord server and GitHub issues
Best for: People educated outside mathematics who want structured, self-directed study based on undergraduate math requirements.
Good for
  • Courses selected to be open for enrollment and run regularly
  • Prerequisite ordering with required core and elective advanced sections
  • Peer discussion available through Discord and GitHub issues
Watch out for
  • Requires roughly 18-22 hours per week for about 2 years to finish
  • Some courses may charge for grading assignments, tests, or projects
  • Public sharing of coursework limited to files allowed by course rules

OSSU Math at a glance

Type
Open-source project
Pricing
Not confirmed. Check the site
Open source
Yes · Source code
Language
English
Last checked
Oct 5, 2026 · Online when checked
Listed
Oct 5, 2026

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OSSU Math FAQ

How long does it take to finish the curriculum?
About 2 years if you plan carefully and study roughly 18-22 hours per week.
Is everything free?
OSSU aims to use free resources, but some courses may charge for grading assignments, tests, or projects.
Which courses do I take?
Take all Core Mathematics courses. For Advanced Topics, take one course in each area, then take all courses in one specialization.
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