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Compute the
Impossible

Scientific math engine for Discord & the web. Derivatives, matrices, symbolic algebra, function plots — answers in milliseconds.

Open Playground Explore Features
numexa — expression evaluator
nx>
↑ Enter an expression or click an example below
12,847
Expressions Evaluated
72ms
Avg Response Time
140+
Built-in Functions
∞
Precision Mode
Capabilities

Everything Math
Should Be

From basic arithmetic to symbolic calculus — built for students, researchers, and engineers.

∫
Calculus Engine
Symbolic derivatives with full product, chain, and quotient rule support. Numerical integration in v1.3.
Symbolic
⊞
Linear Algebra
Matrix inverse, determinant, transpose, eigenvalues, and LU decomposition — any size.
Matrices
📈
Function Plotter
Interactive canvas plots with zoom, axis labels, and multi-function support. PNG export ready.
Visual
ℂ
Complex Numbers
Full complex arithmetic: polar form, Euler's formula, modulus, and complex function evaluation.
Complex
📐
Unit Conversion
Natural-language unit conversion across SI, imperial, and scientific domains. Try 5 km/h to mph.
Units
🎲
Statistics Suite
Mean, variance, standard deviation, combinatorics, permutations, and probability distributions.
Stats
See All Features →
Playground

Try It Live

Every card computes instantly in your browser — powered by math.js.

Calculus
derivative(sin(x)*x^2, x)
Product rule: d/dx of sin(x)·x²
—
Linear Algebra
det([[3,2,1],[1,4,2],[2,1,3]])
Determinant of a 3×3 matrix
—
Complex
(3+4i) * (1-2i)
Complex number multiplication
—
Symbolic
simplify((x^3-x)/(x^2-1))
Algebraic simplification
—
Statistics
std([4, 7, 13, 16, 21])
Standard deviation of a dataset
—
Combinatorics
combinations(52, 5)
Poker hands from a 52-card deck
—
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