The Math Gym for Everyone
Master calculus, algebra, and trigonometry one problem at a time, and earn streaks as you go.
Chain Rule Composition
Explore by topic
From algebra basics to trig identities and multivariable calculus, find your starting point.
Limits & Continuity
Epsilon-delta reasoning, L'Hopital's rule, indeterminate forms.
6 problems
Derivatives
Rates of change, chain/product/quotient rules, implicit differentiation.
7 problems
Integrals
Antiderivatives, substitution, integration by parts, area under curves.
6 problems
Sequences & Series
Convergence tests, Taylor & Maclaurin expansions, power series.
6 problems
Differential Equations
Separable, linear, and applied ODEs.
5 problems
Multivariable Calculus
Partial derivatives, gradients, multiple integrals.
6 problems
Applications
Related rates, optimization, physics & economics modeling.
6 problems
Linear Equations
Solving for x in one step or many, including variables on both sides.
20 problems
Quadratics
Solving quadratic equations by factoring, the formula, and square roots.
12 problems
Factoring
Rewriting expressions as products: difference of squares, trinomials, grouping.
13 problems
Simplification
Combining like terms, the distributive property, and polynomial arithmetic.
13 problems
Trig Basics
Sine, cosine, tangent, and the unit circle at special angles.
5 problems
Trig Identities
Pythagorean, quotient, double-angle, and co-function identities.
4 problems
Trig Equations
Solving equations like sin x = 1/2 for principal solutions.
3 problems
Why CalcForge is different
Real math grading
Type an actual mathematical expression, and we check that it's genuinely equivalent to the correct answer.
Live math preview
See your answer typeset in proper math notation as you type, the way it appears in your textbook.
Interactive graphs
Most problems come with an interactive plot of the function, so you can see what you're working with and build intuition as you solve.
Mastery tracking
Track your mastery topic by topic, keep your streak alive, and get recommendations for what to practice next.
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