Pre-Calculus — stand at the edge of calculus.
Composition and inverses, function families, trigonometry on the unit circle, identities and vectors — every tool packed for the climb ahead.
Train at your level.
Pick a module and start solving. Problems are generated fresh every time and graded instantly by our in-browser math engine — type 3/4, 0.75, or sqrt(5) and correct is correct. Two right answers in a row and the ladder climbs; every rep counts toward the climb.
What you'll train
Every module opens with foundations recall (levels 1–2), then ramps to mastery-level challenge (levels 3–5). The gym adapts as you answer.
Module 1 · Functions — Composition, Inverses & Symmetry
13 skill generators · 4 foundations skills (levels 1–2) · ladder to level 5
Module 2 · Analyzing Function Families
13 skill generators · 3 foundations skills (levels 1–2) · ladder to level 5
Module 3 · Trigonometric Functions & the Unit Circle
13 skill generators · 3 foundations skills (levels 1–2) · ladder to level 5
Module 4 · Trig Identities, Equations, Laws & Vectors
13 skill generators · 1 foundations skill (levels 1–2) · ladder to level 5
Module 5 · Analytic Geometry, Polar & Series — The Edge of Calculus
13 skill generators · 1 foundations skill (levels 1–2) · ladder to level 5
Base camp for the summit.
Composition, trigonometry, identities, vectors — every tool in this course is packed for one purpose: arriving at calculus ready. Scholars who train here don't just survive the summit course; they expect it. We rise not by accident, but with intention.
More tools for this course
Cornell Notes
Capture what each worked solution teaches you — cue, note, summarize.
Open Cornell NotesLearning Arcade
Game-mode retrieval practice filtered by course, standard, and difficulty.
Launch Arcade