Calculator category
Math calculators
Fractions, equations, percentages, random numbers, and scientific calculations with clear online tools.
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calculators
Quadratic Graphing Calculator — Vertex, Roots & Steps
Type a quadratic function to graph and solve it instantly, or edit standard, vertex and root forms. Trace the parabola and see roots, vertex, domain, range and steps.
Fraction Calculator — Mixed Numbers, Steps & Visuals
Calculate, simplify, convert, compare, and order exact fractions; generate equivalents and LCD forms or explore an interactive fraction wall.
Scientific & Graphing Calculator — DEG/RAD, History & Memory
Evaluate safe scientific expressions with DEG or RAD mode, memory, history, result formatting, and an interactive graph for up to three functions.
Random Number Generator — One Number or a Unique Sample
Generate one number from a clearly labelled inclusive range, or create, sort, copy and download a larger random sample.
