Math Calculators
Free online math calculators grouped by subject. Each tool validates your input, gives an exact answer and shows every step.
General Math
General Math →Algebra
Algebra →Geometry
Precalculus
Precalculus →Trigonometry
Trigonometry →Calculus
Calculus →Linear Algebra
Linear Algebra →Statistics
Statistics →Physics
Chemistry
Graphing
Graphing →Choosing the right calculator
Each calculator is built for one kind of problem, with input fields that match it, worked examples and an explanation of the method. If you are not sure which one you need, start from the subject: equations and polynomials are under algebra, angles and identities under trigonometry, limits, derivatives and integrals under calculus, and data sets and probability under statistics.
For a single expression or equation, the solver on the home page is often the fastest route, because it recognizes the type of problem on its own. Choose a dedicated calculator when the problem has several parts, such as a system of equations, an integral with limits or a matrix, or when you want the options that only that calculator offers.
Every answer is computed by the site's own math engine. Exact results stay exact, steps are shown in the order a teacher would write them, and you can change any number and recalculate to see how the result responds.