Algebra Calculators

Last updated: October 2026

Quadratic Expression Factoring Calculator

Factors any quadratic expression ax² + bx + c into two linear factors.

Find the slope of the line through two points as rise over run, (y₂ − y₁) ÷ (x₂ − x₁).

Solve a linear equation in one variable of the form ax + b = c for x, including the cases with no solution or infinitely many.

Find the nth term or partial sum of arithmetic and geometric sequences instantly.

Find the nth term and the sum of the first n terms of an arithmetic or geometric sequence from the first term, the common difference or ratio, and n.

Evaluate the composite function (f∘g)(x) = f(g(x)) for linear, quadratic, exponential, or logarithmic f and linear g at any x value.

Find every real root of a three-term polynomial a·xⁿ + b·xⁿ⁻¹ + c of degree 2, 3, or 4 (for example x² − 3x + 2, x³ − 2x² + 1 or x⁴ + x³ − 3).

Find the midpoint of a line segment from the coordinates of its two endpoints, (x₁, y₁) and (x₂, y₂).

Calculate the logarithm of any positive number in any base: common log (base 10), natural log (base e), binary log (base 2) or a custom base.

Determines the domain and range of rational, radical, and logarithmic functions from their coefficients.

Computes a final amount after exponential growth or decay using A = Pe^(rt).

Solve a quadratic equation ax² + bx + c = 0 with the quadratic formula.