Math Academy
Adaptive online math course that teaches through problems and spaced repetition.
HN commenters recommend it as a high-value paid resource for self-studying math123, from high school trig through multivariable calculus, using repeated, interleaved problems in a spaced-repetition style.4 The one complaint raised is that the routine can get boring, which led one commenter to switch to an LLM-based curriculum.5
Why people recommend it
Worth paying for · 3
Commenters call it highly valuable and exactly what they wanted.
“Easily the most valuable learning resource I've ever spent money on. Highly recommend.”
“After a quick look I signed up and it is fantastic - exactly what I wanted.”
Show 1 more
“Last year I used it to get back up to speed on high school math before teaching it.”
Habit forming · 2
Users describe daily use and say they enjoy it as a hobby.
“recently I'm hitting my stride on Math Academy”
“As a daily user of Anki and Math Academy”
Problem-based practice · 1
It teaches mainly through problems, with spaced repetition and interleaved topics.
“Easily the most valuable learning resource I've ever spent money on. Highly recommend.”
Caveats and dissent
Can get boring · 1
One commenter got bored and moved to an LLM-built curriculum.
“a full curriculum based on Math Academy (which I was doing before but got bored of)”
Who recommends it in their own words
Threads where it came up
- LearnVector – Andrew Ng's AI company building one‑to‑one learning experiences 2 mentions
- Reflections on 1,000 Days of Math 1 mention
- Math Academy Eurisko, 5 Yrs Ltr: Student Outcomes from High School Math/CS Track 1 mention
- Berkeley Law prohibits AI use in classes (by default) 1 mention
- Show HN: Lathe – Use LLMs to learn a new domain, not skip past it 1 mention
Data: math-academy.json. Quotes are verbatim; the verdict and theme labels are written by a model from these comments, and every clause links to its sources.
All comments 6
“Easily the most valuable learning resource I've ever spent money on. Highly recommend.”
“recently I'm hitting my stride on Math Academy”
“Last year I used it to get back up to speed on high school math before teaching it.”
“After a quick look I signed up and it is fantastic - exactly what I wanted.”
“As a daily user of Anki and Math Academy”
“a full curriculum based on Math Academy (which I was doing before but got bored of)”