Unique Command

Unique( <List> ): Returns list of elements of the given list in ascending order, repetitive elements are included only once. Works for both a list of numbers and a list of text.

Examples:

Unique({1, 2, 4, 1, 4}) yields \{1, 2, 4}.
Unique({"a", "b", "Hello", "Hello"}) yields \{"'Hello", "a", "b"}.

See also Frequency command.

CAS Syntax

Unique( <List> ): Returns a list where each element of the given list occurs only once.

Unique({1, x, x, 1, a}) yields \{1, x, a}.