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61Variable (mathematics) — In mathematics, a variable is a value that may change within the scope of a given problem or set of operations. In contrast, a constant is a value that remains unchanged, though often unknown or undetermined.[1] The concepts of constants and… …
62le — 1. le [ lə ], la [ la ], plur. les [ le ] art. déf. • 980; des cas objet du lat. ille REM. 1) Le, la se réduisent à l devant une voyelle ou un h muet : L ami. L école. L habit. 2) Le, les précédés de la prép. à, se contractent en au ou …
63lé — 1. le [ lə ], la [ la ], plur. les [ le ] art. déf. • 980; des cas objet du lat. ille REM. 1) Le, la se réduisent à l devant une voyelle ou un h muet : L ami. L école. L habit. 2) Le, les précédés de la prép. à, se contractent en …
64George Peacock — Infobox Scientist name = George Peacock box width = 300px image width = 170px caption = birth date = April 9, 1791 birth place = Denton, Yorkshire, England death date = November 8, 1858 death place = Pall Mall, London, England residence = England …
65Officer Cadet — is a rank held by military cadets during their training to become commissioned officers. The term Officer Trainee is used interchangeably in some countries. Some countries refer to naval officer cadets as midshipmen, although in other countries… …
66Officer cadet — is a rank held by military and merchant navy cadets during their training to become commissioned officers and merchant navy officers, respectively. The term officer trainee is used interchangeably in some countries. Some countries refer to naval… …
67With — With, prep. [OE. with, AS. wi? with, against; akin to AS. wi?er against, OFries. with, OS. wi?, wi?ar, D. weder, we[^e]r (in comp.), G. wider against, wieder gain, OHG. widar again, against, Icel. vi? against, with, by, at, Sw. vid at, by, Dan.… …
68Roman numerals — are a numeral system originating in ancient Rome, adapted from Etruscan numerals. The system used in classical antiquity was slightly modified in the Middle Ages to produce a system used today. It is based on certain letters which are given… …
69Hölder's inequality — In mathematical analysis Hölder s inequality, named after Otto Hölder, is a fundamental inequality between integrals and an indispensable tool for the study of Lp spaces. Let (S, Σ, μ) be a measure space and let 1 ≤ p, q ≤ ∞ with… …
70Emergency vehicle lighting — refers to any of several visual warning devices, which may be known as light bars or beacons, fitted to a vehicle and used when the driver wishes to convey to other road users the urgency of their journey, to provide additional warning of a… …
