Σ12 FREE TOOLS
Algebra calculators
Equations, polynomials and sequences. All calculations happen locally in your browser.
Browse 12 calculators
Equation SolverSolve linear, quadratic and general single-variable equations numerically and see real roots.↗
Quadratic Equation SolverSolve ax² + bx + c = 0, including complex roots.↗
Simultaneous Equation SolverSolve 2×2 and 3×3 systems of linear equations.↗
Expression EvaluatorEvaluate or sample a math expression after substituting variable values.↗
Linear Equation CalculatorSolve ax + b = c for x.↗
Polynomial Value CalculatorEvaluate a cubic polynomial ax³+bx²+cx+d.↗
Arithmetic Sequence CalculatorCalculate the nth term and sum of an arithmetic progression.↗
Geometric Sequence CalculatorCalculate the nth term and finite sum of a geometric progression.↗
Slope CalculatorFind the slope and rise/run from two points.↗
Midpoint CalculatorCalculate the midpoint of a line segment.↗
2D Distance CalculatorFind the Euclidean distance between two points.↗
Exponential Growth CalculatorModel continuous exponential growth or decay.↗