Digital Root - Formal Definition

Formal Definition

Let denote the sum of the digits of . Eventually the sequence becomes constant. Let (the digital sum of ) represent this constant value.

Read more about this topic:  Digital Root

Famous quotes containing the words formal and/or definition:

    “The formal Washington dinner party has all the spontaneity of a Japanese imperial funeral.”
    —Simon Hoggart (b. 1946)

    “The definition of good prose is proper words in their proper places; of good verse, the most proper words in their proper places. The propriety is in either case relative. The words in prose ought to express the intended meaning, and no more; if they attract attention to themselves, it is, in general, a fault.”
    —Samuel Taylor Coleridge (1772–1834)