System of Equations Calculator: 2×2 and 3×3 Solver
Solve 2×2 and 3×3 linear systems, classify unique, inconsistent or dependent equations, and inspect ranks, RREF, determinant and residual.
Midpoint Calculator: Distance, Slope and Missing Endpoint
Calculate midpoint, distance, slope, line equation, section point or a missing endpoint from 2D or 3D Cartesian coordinates.
Triangle Calculator: SSS, SAS, ASA, AAS and SSA
Solve general triangles from SSS, SAS, ASA, AAS or SSA measurements with sides, angles, area, perimeter, radii, altitudes and ambiguous-case solutions.
Factorial Calculator: n!, Double Factorial and Subfactorial
Calculate exact factorials, double factorials and subfactorials with digit count, trailing zeros, digit sum, scientific notation and steps.
Exponent Calculator: Integer, Negative and Fractional Powers
Calculate integer, negative, decimal and fractional exponents with exact powers, reciprocal and radical forms, rules and domain validation.