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binary

Overview page. Subjects: Chemistry — Probability and Statistics.

Describing a compound or alloy formed from two elements.

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binary representation

Overview page. Subjects: Mathematics — Chemistry.

The representation of a number to base 2. It uses just the two binary digits 0 and 1, and this is the reason why it is important in computing. For example, 37=(100101)_{2}, since

37=(...

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binomial

Overview page. Subjects: Chemistry — Mathematics.

An algebraic expression containing two distinct terms. For example, 3*x*+1 is a binomial expression, but 3*x*+2*x* is not as it can be simplified to 5*x*.

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cycle

Overview page. Subjects: Chemistry — Computing.

Used for time: for example, ‘I could not find enough cycles today to finish my posting.’ It is derived from the cycle that represents the heartbeat of computer.

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decoding

Overview page. Subjects: Computing — Chemistry.

The process of reconverting a coded message to the message from which it was encoded. See code.

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exhaustive search

Overview page. Subjects: Chemistry — Computing.

A mechanical search algorithm that systematically examines all the nodes in a search tree, an example being a breadth-first search. Although usually very simple to program and requiring no...

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exp

Overview page. Subjects: Chemistry — Mathematics.

The abbreviation and symbol for the exponential function.

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flip-flop

Overview page. Subjects: Computing — Chemistry.

An electronic circuit that has two stable states. It is switched from one stable state to the other by means of a triggering pulse. They are extensively used as logic circuits in computers.

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Gibbs, Josiah Willard

in** American National Biography Online**

January 1999; p ublished online February 2000 .

Reference Entry. Subjects: Medicinal Chemistry; Mathematics. 2088 words.

Gibbs, Josiah Willard (11 February 1839–28 April 1903), physical chemist and mathematician, was born in New Haven, Connecticut, the son of Josiah Willard Gibbs, Sr., professor of sacred...

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Gosset, William Sealy [pseud. Student] (1876–1937), chemist and statistician

in** Oxford Dictionary of National Biography**

September 2004; p ublished online September 2004 .

Reference Entry. Subjects: Medicinal Chemistry; Probability and Statistics. 1391 words.

Gosset, William Sealy [*pseud.* Student] (1876–1937), chemist and statistician, was born on 13 June 1876 at 6 St Martin's Hill, St Martin, Canterbury, the eldest son of five children of...