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- Encyclopædia Britannica 11th edition
via Wikidata · CC0
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Double, The Double or Dubble may refer to:
==Mathematics and computing== Multiplication by 2 Double precision, a floating-point representation of numbers that is typically 64 bits in length A double number of the form x+yj, where j^2=+1 A 2-tuple, or ordered list of two elements, commonly called an ordered pair, denoted (a,b) Double (manifold), in topology
Excerpted from Wikipedia’s “Double” article, available under the CC BY-SA 4.0 licence.