Math Calculators

Characteristic Polynomial Calculator

Calculate the characteristic polynomial of 2×2, 3×3, and 4×4 matrices with full step-by-step working. Shows det(λI−A), eigenvalues, trace, determinant, and principal minors.

Direct Variation Calculator

Calculate direct variation relationships. Find constant of variation k. y = kx solver.

Function Table Calculator

Create x-y table from linear function. Generate coordinates for graphing.

Inverse Variation Calculator

Calculate inverse variation. Find constant k in y = k/x. Algebra inverse relationships.

Line Equation From Two Points Calculator

Calculate line equation from two points. Find slope and y-intercept. Algebra line equation solver.

Linear Function Calculator

Calculate slope, y-intercept, and equation for linear functions. Algebra function analysis.

Parallel & Perpendicular Lines Calculator

Determine if two lines are parallel, perpendicular, or neither. Analyze slope relationships for algebra.

Rate of Change Calculator

Calculate average rate of change between two points. Algebra word problems.

Substitution Method Calculator

Solve systems of equations using substitution method. Algebra equation solver.

System of Two Equations Calculator

Solve systems of two linear equations. Find x and y intersection point.

X and Y Intercepts Calculator

Find x-intercept and y-intercept from linear equation. Algebra intercept calculator.

Add and Subtract Radical Expressions Calculator

Simplify and combine radical expressions (square roots, cube roots, etc.). Get step-by-step solutions for adding and subtracting radicals with like and unlike radicands.