Calculator Pages That Are Ready
General Math
Fractions, percentages, common factors and everyday word problems.
Fraction CalculatorAdd, subtract, multiply and divide fractions and mixed numbers with every common-denominator step.Open calculator →Percentage CalculatorPercent of a number, percent change, discounts and reverse percentages, with the base value shown.Open calculator →GCF and LCM CalculatorGreatest common factor and least common multiple by prime factors or the Euclidean algorithm.Open calculator →Math Word Problem SolverSpeed, interest, tips, discounts, consecutive numbers and ratios turned into equations and solved.Open calculator →
Algebra
Equations, expressions, factoring, systems and the geometry of lines.
Solve for X CalculatorIsolate x in linear and higher equations and check the answer by substituting it back.Open calculator →Quadratic Equation CalculatorReal or complex roots with the discriminant, the formula and the factoring route.Open calculator →Simplify CalculatorCombine like terms and expand products into a cleaner equivalent expression.Open calculator →Factoring CalculatorBreak a polynomial into factors using the rational root theorem, then verify by expanding.Open calculator →Systems of Equations CalculatorSolve two or three equations together by elimination, with a check in every equation.Open calculator →Inequality CalculatorSolve linear, quadratic and absolute value inequalities and write the answer in interval notation.Open calculator →Exponent CalculatorSimplify powers with the exponent laws and solve exponential equations.Open calculator →Complete the Square CalculatorRewrite a quadratic in vertex form and use it to find the roots.Open calculator →Slope CalculatorRise over run from two points, with the line equation in slope-intercept form.Open calculator →Distance Formula CalculatorExact and decimal distance between two points, with the substitution shown.Open calculator →
Precalculus
The function skills that carry into trigonometry and calculus.
Logarithm CalculatorEvaluate, expand, condense and solve logarithms, with the domain check.Open calculator →Polynomial CalculatorLong division, synthetic division, the remainder theorem and roots.Open calculator →Rational Expression CalculatorFactor, cancel common factors and keep the domain restrictions.Open calculator →Inverse Function CalculatorSwap x and y and solve, for linear, rational, root, power and exponential functions.Open calculator →Function Composition CalculatorPut one function inside another, simplify, and find where it is defined.Open calculator →Domain and Range CalculatorValid inputs and possible outputs in interval notation.Open calculator →
Trigonometry
Identities, the unit circle and triangles.
Trigonometric Identity CalculatorTest whether two trigonometric expressions are equal for every angle.Open calculator →Unit Circle CalculatorCoterminal and reference angles, coordinates and exact values for any angle.Open calculator →Law of Cosines CalculatorMissing sides and angles from SAS, SSS, ASA, AAS and SSA information.Open calculator →
Calculus
Derivatives, integrals, limits and series.
Derivative CalculatorDifferentiate with the product, quotient and chain rules, and see which rule is used.Open calculator →Integral CalculatorAntiderivatives by substitution, parts and partial fractions, checked by differentiating.Open calculator →Definite Integral CalculatorEvaluate an integral between two bounds using the fundamental theorem of calculus.Open calculator →Limit CalculatorLimits at a point or at infinity, including cases where substitution fails.Open calculator →Partial Derivative CalculatorDifferentiate a multivariable function with the other variables held fixed.Open calculator →Implicit Differentiation CalculatorFind dy/dx when y is not isolated, including the slope at a point.Open calculator →Taylor Series CalculatorTaylor and Maclaurin polynomials of any degree around any centre.Open calculator →Series Convergence CalculatorChoose a test, apply it and classify an infinite series as convergent or divergent.Open calculator →
Linear Algebra
Matrices and vectors with exact fractions.
Matrix CalculatorAdd, multiply, transpose, row-reduce and find the rank and trace of matrices.Open calculator →Determinant CalculatorDeterminants by cofactors or row reduction for any square matrix.Open calculator →Inverse Matrix CalculatorGauss–Jordan elimination, singular matrix detection and a check with the identity.Open calculator →Eigenvalue CalculatorCharacteristic polynomial, eigenvalues and eigenvectors.Open calculator →Dot Product CalculatorDot product, angle between vectors, projection and magnitude.Open calculator →Cross Product CalculatorThe vector perpendicular to two 3D vectors, with its magnitude.Open calculator →
Statistics
Describe data, standardise values and count outcomes.
Standard Deviation CalculatorSample and population spread with the denominator stated.Open calculator →Mean Median Mode CalculatorThree measures of centre, plus quartiles, range and outliers.Open calculator →Probability CalculatorDice, coins, cards, independent events and normal or binomial probabilities.Open calculator →Permutation and Combination CalculatorCount ordered and unordered selections, and arrangements of letters.Open calculator →Z-Score CalculatorStandardise a value and read its percentile on the normal curve.Open calculator →
Graphing and Scientific
Plot functions and use a full scientific keypad.