Equation Solver
Solve linear, quadratic, and simultaneous equations with step-by-step solutions.
Explore 22 premium, browser-based calculators covering equation solving, matrix arithmetic, descriptive statistics, 2D/3D geometry, coordinate grids, and probability curves.
Solve linear, quadratic, and simultaneous equations with step-by-step solutions.
Perform matrix arithmetic, find determinants, inverses, rank, and transposes.
Compute mean, median, mode, standard deviation, variance, and plot box/histogram charts.
Analyze tabular data, detect outliers, perform regressions, and plot scatter charts.
Convert length, area, volume, pressure, speed, torque, density, and 10+ other dimensions.
Solve triangles (SSS, SAS, ASA, AAS), polygons, circles, and coordinate metrics.
Calculate volume, surface area, and capacity in litres for cylinders, cones, and spheres.
Compute combinations, permutations, binomials, and normal distribution graphs.
Compute distance, midpoint, slope, line equation, and plot line segments.
Solve first, second, and higher-order derivatives symbolically with step-by-step differentiation rules, tangent lines, and interactive function graphs.
Compute indefinite and definite integrals symbolically or numerically with graphs.
Analyze function limits from the left, right, or two-sided with approximation tables.
Plot multiple functions on an interactive Cartesian plane with zooming and panning.
Find equation roots using Bisection, Newton-Raphson, and Secant iterations.
Estimate definite integrals using Trapezoidal, Simpson 1/3, and Simpson 3/8 rules.
Solve first-order initial value problems using RK4, Euler, and Improved Euler methods.
Optimize linear objective functions subject to linear constraints using simplex.
Compute Fast Fourier Transforms (FFT) and Inverse FFT (iFFT) of continuous signal formulas, multi-tone synthesizers, or raw time-series arrays.
Perform complex algebra, roots of unity, De Moivre powers, AC impedance, and plot on an interactive Argand diagram.
Calculate dot products, cross products, projections, and angles for 2D/3D vectors.
Fit linear, polynomial, and exponential regression models to X/Y datasets.
Analyze Poisson, Exponential, Binomial, and Normal curves with PDF/CDF bounds.