Free tools

STEM calculators that show every step.

Quick, free tools for Maths, Physics and Chemistry homework. Each one shows the working — and if you want a full video explanation, send the question to the Doubtclip AI solver.

Math

Quadratic Formula CalculatorDiscriminant, nature of roots and both roots with every step shown.Open tool Derivative & Integral CalculatorRule-by-rule derivatives and integrals for polynomials, trig, exp and log.Open tool Matrix Multiplication CalculatorInteractive grids with each row-by-column product written out.Open tool

Physics

Projectile Motion CalculatorTime of flight, max height and range from speed, angle and height.Open tool SUVAT / Kinematics CalculatorEnter any three of s, u, v, a, t — see which equation finds the rest.Open tool Free Body Diagram MakerDraw forces, get the resultant, its angle and the balancing force.Open tool

Chemistry

Chemical Equation BalancerBalanced coefficients plus an element-by-element atom count check.Open tool Molarity CalculatorMolarity, mass or volume with molar mass worked out from the formula.Open tool Stoichiometry SolverGrams or moles of one species to another via the balanced mole ratio.Open tool

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