Free calculatorsMaths & study
This category brings together maths tools designed to give an answer while showing the method. It covers equations, derivatives, integrals, the Pythagorean theorem, areas, volumes, triangles, mean, median, standard deviation and simple probability. Simply choose the subcategory that interests you, then open the tool you need.
Algebra & calculus
Solve equations, derivatives and integrals while following key steps.
Equation solver: linear, quadratic and cubic
Solve linear, quadratic or cubic equations with the calculation steps.
Derivative calculator with steps
Differentiate a polynomial or a function containing sine, cosine or tangent, with the rules and calculation steps.
Integral and antiderivative calculator
Find a polynomial antiderivative or evaluate a definite integral for free. Enter the function and optional bounds to see the calculation steps.
Geometry
Calculate sides, areas, volumes and shape properties from known dimensions.
Pythagorean theorem calculator
Find the missing side of a right triangle and follow every calculation step.
Area & Geometry Calculator
Calculate area and perimeter of rectangles, circles, triangles and other common shapes.
3D Volume Calculator
Calculate volume and surface area of cubes, cylinders, spheres and other solids.
Triangle Calculator
Calculate triangle area, perimeter and properties from its sides.
Statistics & probability
Summarise data with mean, median, spread or simple probability.