Learn data structures and algorithms through open-source implementations in multiple programming languages.
MathNet
MathNet lets users browse and search more than 30,000 Olympiad-level problems from 47 countries in 17 languages.
About MathNet
MathNet is a web collection of more than 30,000 Olympiad-level mathematics problems with solutions, covering 47 countries and 17 languages over 40+ years of competitions. It includes international competitions such as IMO, Baltic Way and JBMO, as well as national Olympiads including the United States, China, Romania and others.
You can browse all problems, view example problems, and filter by country and competition to find specific sources. Problems include expert-written solutions, and visitors can share their own solutions with the site. The site also links to an arXiv paper, dataset and GitHub repository describing its use as a benchmark for mathematical reasoning and retrieval.
It suits students preparing for Olympiads and researchers studying mathematical problem solving, retrieval and multilingual competition content across algebra, combinatorics, geometry and number theory.
Key features
- Browse more than 30,000 Olympiad math problems with solutions
- Filter problems by country and competition
- View example problems from international and national Olympiads
- Access problems in 17 languages
- Share your own solutions with the site
- Access linked dataset, paper and code repository
Best for: Students and researchers interested in Olympiad-level math problems, solutions, and reasoning benchmarks.
Good for
- Large collection of over 30,000 problems with solutions
- Coverage across 47 countries and 17 languages
- Browse by country and competition
- Free resource for students and researchers
Watch out for
- Focused only on advanced Olympiad-level mathematics
MathNet at a glance
- Website
- mathnet.mit.edu
- Type
- Website
- Pricing
- Free
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Good for
- Researchers, Students
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
MathNet alternatives
Tools and sites you could use instead, ranked by how closely they match.
The AoPS Alcumus system provides free online mathematics learning materials from Art of Problem Solving.
Free
24 alternatives
Passmedicine offers online revision for the 2026 UCAT, with resources for exam preparation.
Free
24 alternatives
IBM SkillsBuild provides free AI and technology teaching resources, including lesson plans, educator training, and toolkits.
The UC San Diego Practical Guide to Clinical Medicine presents a guide to clinical medicine.
CFDTool provides a computational fluid dynamics toolbox for running simulations.
Popular in Science, Math & Technology
Well-known listings from the same topic.
OneZoomonezoom.orgThrustCurvethrustcurve.orgWikispeciesspecies.wikimedia.orgHot Nozzle Societyhotnozzlesociety.orgA-Z Animala-z-animals.comWumbowumbo.net
MathNet FAQ
What is MathNet?
MathNet is a web collection of over 30,000 Olympiad-level math problems with expert-written solutions from 47 countries in 17 languages.
Is MathNet free to use?
The site describes itself as a free resource for students and researchers.
Can I find problems by country or competition?
Yes, you can browse by country and competition, including IMO, Baltic Way, JBMO and national Olympiads.
Can I share my own solutions?
Yes, the homepage notes that visitors can share their solutions with the site.
Is something wrong or out of date?
Tell us and an editor will check it.
Own this website?
Claim this listing
Claim the listing and suggest updates yourself. An editor checks every claim first.