Pricing Account

Students · Courses

Arithmetic & Fractions

Number sense, operations, and fractions.

Beginner
Fractions, made visual
Fractions stop being scary when you can see them: from "what is a half" to adding, multiplying, and dividing any fraction — with a bar you can picture every time.
6 lessons

Pre-Algebra

Integers, ratios, proportions, and early equations.

Beginner
Pre-algebra: the foundations
The bridge from arithmetic to algebra: negative numbers, ratios and proportions, percents, and your first equations — the skills every algebra course assumes you already have.
5 lessons

Algebra I & II

Equations, functions, polynomials, and systems.

Intermediate
Algebra, made visual
The engine of every later course: solve any linear equation, read a line straight off y = mx + b, crack systems, and tame quadratics — seeing why each rule works instead of memorizing it.
14 lessons

Geometry

Solids, volumes, and transformations — fully in 3D.

Trigonometry

Triangles, the unit circle, and identities.

Intermediate
Trigonometry, made visual
From SOH-CAH-TOA to the unit circle: see where sin, cos, and tan come from, why the unit circle extends them to every angle, and what radians actually measure.
8 lessons

Pre-Calculus

Functions, limits, and analytic geometry.

Advanced
Pre-Calculus, made visual
The bridge to calculus: master the function — how to read it, transform it, and invert it — then meet exponentials, logarithms, and the limit that opens calculus itself.
14 lessons

Calculus I & II

Derivatives and integrals, visualized.

Advanced
Calculus, made visual
The payoff of the whole ladder: see the derivative as a slope and the integral as an area, watch them turn out to be inverses, and reach all the way to approximating any function with a Taylor series.
15 lessons

Statistics & Probability

Data, distributions, and uncertainty.

Intermediate
Statistics & Probability, made visual
The science of learning from uncertainty: summarize a dataset, reason about chance, meet the bell curve, and use a single sample to draw conclusions about a whole population.
14 lessons