Math Dictionary
Clear, concise definitions for everyday and advanced mathematical terms, with links into CalculatorWiser’s formulas, calculators, and learning paths.
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12 matching terms
IdentityAn equality true for all values in its stated domain.FoundationsInequalityA comparison using symbols such as <, >, ≤, or ≥ rather than equality.FoundationsInfinityA concept describing unboundedness rather than an ordinary real number.FoundationsInjective FunctionA one-to-one function: distinct inputs have distinct outputs.AlgebraIntegerA whole number that may be negative, zero, or positive.Numbers & Number TheoryIntegralA mathematical object representing accumulation; definite integrals can represent signed area and total change.Calculus & AnalysisInterceptA point where a graph crosses an axis.FoundationsInverse FunctionA function that reverses another function on an appropriate domain and range.AlgebraIrrational ExponentAn exponent that is irrational; powers with such exponents are defined using limits or logarithms for positive bases.Numbers & Number TheoryIrrational NumberA real number that cannot be expressed as a ratio of two integers.Numbers & Number TheoryIsoceles TriangleA triangle with at least two equal side lengths.GeometryIsosceles TriangleA triangle with at least two equal side lengths.Geometry