A–Z Math Reference

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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3 matching terms

Obtuse AngleAn angle greater than 90° and less than 180°.Geometry OriginThe zero point of a coordinate system, such as (0,0) in the Cartesian plane.Foundations OrthogonalPerpendicular in Euclidean geometry; more generally, having inner product zero.Geometry