Probability
The framework for understanding the world around us, from sports to science.
Courses
Improve critical thinking and problem solving skills through guided problem solving.
Featured
Fundamentals
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Mathematical Fundamentals
The essential tools for algebra, geometry, probability, and logic!
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Logic
Stretch your analytic muscles with knights, knaves, syllogisms, logic gates, and more!
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Algebra Through Puzzles
Supercharge your algebra intuition and problem solving skills with these fun puzzles!
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Physics of the Everyday
Investigate the physics of everyday experience, from things around the house to global weather patterns.
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Outside the Box Geometry
Fun, challenging geometry that will shake up how you think and problem solve!
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Number Theory
Number Theory is number magic. It's the study of how math itself is structured. And it deals with the coolest numbers: primes!
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Games of Chance
Some simple math can help you win games of chance. Learn how to be better than lucky with these fun puzzles.
Intermediate
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Joy of Problem Solving
A guided tour through our most beautiful and delightful puzzles.
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Probability
The framework for understanding the world around us, from sports to science.
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Complex Algebra
The beauty of Algebra, through complex numbers, fractals, and Euler’s formula.
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Calculus Done Right
The mathematics of the continuous, through intuition not memorization.
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Classical Mechanics
Hardcore training for the aspiring physicist.
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Gravitational Physics
Here we lay out Newton's law of gravity and crack open the universe of consequences that spring from it.
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Ace the AMC
Guided training for the skills and strategies needed to excel in the American Mathematics Competition 10 and 12.
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Group Theory
The study of groups through symmetries, applications, and challenging problems.
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Astronomy
Industry Applications
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Computer Science Fundamentals
The fundamental toolkit for the aspiring computer scientist or programmer.
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Computer Science Algorithms
How to make a computer do what you want, with strategies for elegance and efficiency.
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Artificial Neural Networks
A quick dive into a cutting-edge computational method for learning.
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Computer Memory
How memory actually works, layer by layer.
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Machine Learning
Advanced quantitative techniques to analyze data where humans fall short.
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Math for Quantitative Finance
Take a guided tour through the powerful mathematics and statistics used to model the chaos of the financial markets.
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Advanced Algorithms
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Advanced Quantitative Finance
From Black-Scholes to machine learning.
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Solar Energy
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Automotive Engineering
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Computational Biology
Computational biology merges the algorithmic thinking of the computer scientist with the problem solving approach of physics to address the problems of biology.