Math & science
Equations, statistics, plots and physics with every step explained. · 10 tools
Big-O Crossover Calculator
When does c₁·n log n beat c₂·n²? Crossover points, log-log chart and run times.
Erasure-Coding Playground
Reed–Solomon over GF(256): encode data into k + m shards, lose some, rebuild it.
Floating-Point Explorer
See how IEEE-754 half/single/double store a number: bits, exact value, ULP, rounding error.
Graph Algorithm Visualizer
BFS, DFS, Dijkstra, Bellman–Ford, A*, MST, topological sort and SCCs on your edge list.
Graphing Calculator
Plot up to 6 functions or parametric curves with roots, extrema, intersections and SVG/PNG export.
Math Workbench
Simplify, factor, differentiate, integrate, solve, take limits, series and plots in one box.
Matrix & Linear Algebra Lab
Exact-fraction RREF with steps, determinant, inverse, null space, eigenvalues, LU/QR and Ax = b.
Number-Theory Lab
Primality, factorisation, gcd, modular arithmetic, CRT, φ, π(n), Collatz, continued fractions.
Probability & Statistics Studio
Distributions, descriptive stats, confidence intervals and t, chi-square and z tests with p-values.
Step-by-Step Equation Solver
Solve linear, quadratic, rational and radical equations or linear systems with every step shown.
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