U2017-04-02T18:36:47+00:00

U

Term
Definition
undecagon a polygon with 11 sides
undecahedron is a polyhedron having 11 faces
undefined when an expression has no value or meaning, it is said to be undefined. Division by zero is undefined
unequal ≠ when two things are not equal
unhappy number a number that is not happy. See happy number
unimodal a distribution with a single unique mode
unit measurements are usually given in standard units. A metre is a standard unit of length. A kilogram is a standard unit of weight.
unit another name for one. A unit square is a square of side length one
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