About Calxsolver

Calxsolver is a collection of math tools focused on one thing: showing the working, not just the final answer. Every solver runs entirely in your browser — no account, no paywall on the steps.

How it works

Each tool is defined once in a shared registry and reused for routing, navigation and search-engine metadata. The math runs in a dependency-free engine, so results appear instantly without a server round-trip.

Available solvers

• Expression Calculator — Evaluate arithmetic with correct order of operations.
• Linear Equation Solver — Solve mx + b = c for x with each algebra step shown.
• Quadratic Equation Solver — Solve ax² + bx + c = 0 with roots, vertex and discriminant.
• System of Equations (2×2) — Solve two linear equations in x and y by Cramer's rule.
• Slope & Line Equation — Slope, intercept and line equation through two points.
• Distance & Midpoint — Distance and midpoint between two points in the plane.
• Arithmetic Sequence — nth term and sum of an arithmetic sequence.
• Geometric Sequence — nth term, partial sum and infinite sum of a geometric sequence.
• Logarithm Calculator — Logarithm of a value in any base, via change of base.
• Simplify Expression — Expand products and collect like terms in a polynomial expression.
• Factoring Calculator — Factor a polynomial over the rationals into linear and irreducible factors.
• System of Equations (3×3) — Solve three linear equations in x, y, z by Cramer's rule.
• Linear Inequality Solver — Solve mx + b OP c for x, including the flip when m is negative.
• Quadratic Inequality Solver — Solve ax² + bx + c OP 0 with discriminant and sign chart.
• Absolute Value Inequality Solver — Solve |ax + b| OP c by splitting into the two cases.
• Partial Fractions Calculator — Decompose a rational expression P(x)/Q(x) into simpler fractions.
• Right Triangle Solver — Solve a right triangle from its two legs.
• Trig Function Evaluator — Evaluate sin, cos, tan, csc, sec or cot of an angle.
• Pythagorean Theorem — Find the missing side of a right triangle.
• Law of Cosines — Solve a triangle from two sides and the included angle.
• Law of Sines — Solve a triangle from two angles and a side.
• Angle Converter — Convert degrees and radians, with reference angle.
• Trig Equation Solver — Solve sin(x) = c, cos(x) = c, tan(x) = c (and reciprocals) with general solution.
• Trig Identity Verifier — Check whether LHS = RHS as an identity by numeric sampling.
• Cartesian to Polar Coordinates — Convert (x, y) to (r, θ), reporting θ in both degrees and radians.
• Polar to Cartesian Coordinates — Convert (r, θ) to (x, y), accepting θ in degrees or radians.
• Polynomial Derivative — Differentiate a polynomial exactly with the power rule.
• Polynomial Integral — Integrate a polynomial — indefinite or definite.
• Derivative Calculator — Symbolic derivative of any function — chain, product and quotient rules.
• Integral Calculator — Symbolic antiderivative — indefinite or definite — with full working.
• Derivative at a Point — Numeric derivative of any function of x at a point.
• Definite Integral — Numeric definite integral of any function of x.
• Limit Calculator — Estimate the limit of a function as x approaches a value.
• Tangent Line Calculator — Equation of the tangent line to a curve at a point.
• Permutations & Combinations — Compute nPr, nCr and the factorial.
• Binomial Expansion — Expand (ax + b)ⁿ with the binomial theorem.
• Complex Number Calculator — Add, subtract, multiply or divide complex numbers.
• Polynomial Long Division — Divide one polynomial by another for quotient and remainder.
• Exponential Equation Solver — Solve a·bˣ = c for the exponent x.
• Function Inverse Calculator — Find f⁻¹(x) for linear, exponential, logarithmic, radical and linear-fractional functions.
• Function Composition Calculator — Compute (f ∘ g)(x) symbolically, plus an optional value at x = a.
• Domain & Range Calculator — Find domain restrictions and the range of a function of x.
• Circle Calculator — Equation, expanded form, diameter, circumference and area of a circle.
• Parabola Properties — Vertex, axis, focus, directrix and intercepts of y = ax² + bx + c.
• Ellipse Properties — Vertices, foci, eccentricity and area of an ellipse from (h, k, a, b).
• Hyperbola Properties — Vertices, foci, asymptotes and eccentricity of a hyperbola.
• Descriptive Statistics — Mean, median, mode, range and standard deviation.
• Z-Score Calculator — Standardize a value against a mean and standard deviation.
• Normal Distribution Calculator — Probabilities for a normal distribution N(μ, σ).
• Confidence Interval Calculator — Confidence interval for a population mean.
• Linear Regression Calculator — Least-squares line and correlation for paired data.
• Probability Calculator — Union, intersection, complement, conditional probability and independence for two events.
• Bayes' Theorem Calculator — Compute the posterior P(A | B) from a prior P(A) and two likelihoods.
• Binomial Distribution Calculator — P(X = k), P(X ≤ k), P(X ≥ k) plus mean and variance for Binomial(n, p).
• Poisson Distribution Calculator — P(X = k), P(X ≤ k), P(X ≥ k) plus mean and variance for Poisson(λ).
• One-Sample t-Test — Test a sample mean against a hypothesized μ₀ — t, df, p-value, conclusion.
• Chi-Square Goodness-of-Fit Test — Compare observed and expected frequencies — χ², df, p-value.
• Z-Test for a Proportion — Test a sample proportion against a hypothesized p₀ — z, p-value, conclusion.
• Matrix Determinant — Determinant of a square matrix.
• Matrix Multiplication — Multiply two matrices A·B.
• Matrix Inverse — Inverse of a square matrix via Gauss-Jordan.
• Matrix Addition & Subtraction — Add or subtract two matrices entrywise.
• Vector Calculator — Magnitude, dot product, cross product and angle.
• Matrix Transpose — Swap rows and columns to get Aᵀ.
• Matrix Trace — Sum of the diagonal entries of a square matrix.
• Matrix Rank — Number of linearly independent rows — by row reduction.
• Reduced Row Echelon Form (RREF) — Gauss-Jordan elimination with every row operation shown.
• Solve a Linear System (Ax = b) — Gauss-Jordan on the augmented matrix — unique, infinite or no solution.
• Eigenvalues and Eigenvectors — Characteristic polynomial, real eigenvalues and one eigenvector per eigenvalue.
• Vector Projection — Projection of a onto b, scalar projection and the perpendicular component.
• Function Grapher — Plot y = f(x) with zeros, extrema and the y-intercept marked.
• Multi-Function Grapher — Plot two functions on one chart and locate every intersection.
• Parametric Grapher — Plot a parametric curve (x(t), y(t)) over an interval in t.
• Polar Grapher — Plot a polar curve r = f(θ) — roses, cardioids, spirals, conics.
• Inequality Region Grapher — Shade the region y > f(x), y < f(x), y ≥ f(x) or y ≤ f(x).
• Function Feature Analyser — Zeros, extrema, monotonicity, asymptotes and end behavior — without a plot.
• Function Value Table — Tabulate f(x) at evenly spaced x values — useful for sketching by hand.
• Simple Interest Calculator — I = Prt — find interest and the final amount on a flat-rate loan or deposit.
• Compound Interest Calculator — A = P(1 + r/n)^(nt) for discrete compounding, A = Pe^(rt) for continuous.
• Annuity Calculator — Future value or present value of an ordinary annuity from payment, rate and periods.
• Loan Payment Calculator — Periodic payment, total interest and a first-rows amortization preview.
• Markov Chain Calculator — Iterate the distribution and find the steady-state vector π.
• Linear Programming Solver (2 variables) — Graphical method — feasible region, corner-point evaluation and the optimum.
• Truth Table Generator — Build a truth table for any propositional formula over p, q, r, s.
• Order of Operations Worksheet Generator — Random PEMDAS / BODMAS problems with the answer key — reproducible by seed.
• Linear Equations Worksheet Generator — Random one-variable linear equations with integer solutions and the answer key.
• Quadratic Equations Worksheet Generator — Factorable quadratics on easy/medium, quadratic-formula irrationals on hard.
• Polynomial Multiplication Worksheet Generator — FOIL and similar binomial products, with the expanded answer key.
• Polynomial Factoring Worksheet Generator — Trinomials and special forms — factor and check against the answer key.
• Polynomial Derivative Worksheet Generator — Apply the power rule to random polynomials — answers ready to mark.
• Polynomial Integral Worksheet Generator — Antiderivatives via the reverse power rule, with the answer key.

Accuracy

Results are computed with standard double precision and rounded only to remove floating-point noise. For most problems the answers are exact; for irrational results they are accurate to about ten decimal places.