Word of the Day

The word for today is…

decimal (noun) – 1. (a) A linear array of digits that contains a single period, called the decimal point, is possibly preceded by a minus sign (-), and represents a real number, with each successive digit to the right of the decimal point indicating a multiple of the next negative power of 10, and each successive digit to the left of the decimal point indicating a multiple of the next non-negative power of ten, beginning with 100 = 1. For example, 245.3 represents the real number (2 × 102) + (4 × 101) + (5 × 100) + (3 × 10-1) = 200 + 40 + 5 + 3/10 , and -1.04 represents the real number (-1 × 100) + (-4 × 10-2). Also called mixed decimal.
(b) Such an array of digits in which there are no nonzero digits to the left of the decimal point, representing a real number between -1 and 1. Also called decimal fraction.
2. A number written using the base 10.

(adj) – 1. Expressed or expressible as a decimal.
2. (a) Based on 10.
(b) Numbered or ordered by groups of 10.

Source : The Free Dictionary

Etymology : Circa 1600, from Medeival Latin decimalis “of tithes or tenths,” from Latin decimus “tenth,” from decem “ten”. Applied to Arabic notation before modern sense of “decimal fractions” emerged. As a noun from 1640s.

It will be the 50th anniversary of the introduction of decimal currency in New Zealand on 10th of July 2017.


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