Calculators
Fast calculators for numeric work. Fractions stay exact, matrices are checked for compatible sizes, and every result can be copied or reopened from your history.
Scientific CalculatorEvaluate expressions with powers, roots, factorials, logarithms and trigonometry in degrees or radians, with memory and history.Fraction CalculatorAdd, subtract, multiply, divide and simplify fractions and mixed numbers exactly, with step-by-step working, GCD and LCM.Percentage CalculatorFind a percentage of a number, percentage change, increase, decrease, difference, reverse percentages, discounts and tax.Exponent CalculatorCompute powers with positive, negative and fractional exponents, see the exponent rules that apply and the scientific notation.Root CalculatorSquare roots, cube roots and nth roots with simplified radical form, plus the complex roots of negative numbers.Logarithm CalculatorNatural, common and arbitrary-base logarithms with the change-of-base working and the logarithm properties.Complex Number CalculatorAdd, subtract, multiply and divide complex numbers and find modulus, argument, conjugate, polar and exponential forms.Matrix CalculatorMatrix addition, multiplication, transpose, determinant, inverse, rank, trace, row reduction, eigenvalues and eigenvectors.Equation CalculatorSolve linear, quadratic and polynomial equations exactly, and other single-variable equations numerically, including complex roots.