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One comprehensive reference per course — free with an account
Publication-quality formula sheets covering every major topic. Each sheet compiles all the key formulas, theorems, and concepts from an entire course into a single, printable reference.
Essential math from Pre-Algebra through Pre-Calculus
Tricks, shortcuts, and mental calculation strategies
Number properties, fractions, decimals, ratios, and intro geometry
Linear equations, inequalities, polynomials, and quadratics
Advanced functions, matrices, conics, and sequences
Unit circle, identities, graphs, laws of sines and cosines
Functions, limits preview, polar coordinates, and vectors
The calculus sequence and differential equations
Limits, derivatives, and applications of differentiation
Integration techniques, sequences, series, and convergence tests
Vectors, partial derivatives, multiple integrals, and vector calculus
Marginal analysis, optimization, and multivariable basics
First/second order, Laplace transforms, and systems
Proof-based and upper-level undergraduate topics
Logic, proof techniques, sets, functions, and relations
Matrices, vector spaces, eigenvalues, and transformations
Sequences, series, continuity, differentiation, and integration
Complex functions, contour integration, and residue theory
Topological spaces, continuity, compactness, and connectedness
Fundamental groups, homology, and covering spaces
Graphs, trees, coloring, matching, and network flow
Axioms, ordinals, cardinals, and the continuum hypothesis
Curves, surfaces, curvature, and Riemannian geometry
Probability, statistics, discrete math, and more
Distributions, expectation, Bayes theorem, and limit theorems
Descriptive stats, inference, regression, and hypothesis testing
Logic, counting, graphs, recurrences, and number theory
Primes, modular arithmetic, Diophantine equations, and cryptography
Counting, generating functions, Catalan numbers, and PIE
RSA, Diffie-Hellman, AES, and hash functions
Propositional logic, predicate logic, and model theory
Root finding, interpolation, quadrature, and error analysis
Differential equation models, optimization, and simulation
Linear programming, convex optimization, and KKT conditions
Nash equilibria, mixed strategies, and evolutionary games
Fourier series, transforms, DFT, and applications
Heat, wave, and Laplace equations with solution methods
Get all 33 formula sheets as a single PDF bundle — perfect for printing, studying offline, or keeping on your tablet during class.
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Every formula, theorem, and key concept from an entire course compiled into a single reference. No flipping through textbooks.
Professionally designed with color-coded sections, dense multi-column layouts, and crisp formatting — ready to print or save as PDF.
Each sheet is built from our course content. Learn the concept in the lesson, then reference the formula during practice.
Formula sheets are great for reference, but understanding comes from practice.
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