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Dollar sign. The dollar sign, also known as the peso sign, is a currency symbol consisting of a capital S crossed with one or two vertical strokes ( $ or depending on typeface ), used to indicate the unit of various currencies around the world, including most currencies denominated "dollar" or "peso". The explicitly double-barred sign is called ...
The £ grapheme in a selection of fonts. The pound sign ( £) is the symbol for the pound unit of sterling – the currency of the United Kingdom and its associated Crown Dependencies and British Overseas Territories and previously of Great Britain and of the Kingdom of England. The same symbol is used for other currencies called pound, such as ...
The World Wide Fund for Nature ( WWF) is a Swiss -based international non-governmental organization founded in 1961 that works in the field of wilderness preservation and the reduction of human impact on the environment. [5] It was formerly named the World Wildlife Fund, which remains its official name in Canada and the United States.
Christoffel symbols. In mathematics and physics, the Christoffel symbols are an array of numbers describing a metric connection. [1] The metric connection is a specialization of the affine connection to surfaces or other manifolds endowed with a metric, allowing distances to be measured on that surface. In differential geometry, an affine ...
A slush fund is a fund or account used for miscellaneous income and expenses, particularly when these are corrupt or illegal. [1] Such funds may be kept hidden and maintained separately from money that is used for legitimate purposes. Slush funds may be employed by government or corporate officials in efforts to pay influential people ...
The name of the unit whose symbol is t and which is defined according to 1 t = 10 3 kg is 'metric ton' in US English and 'tonne' in International English.: iii Unit symbols and the values of quantities . Symbols of SI units are intended to be unique and universal, independent of the context language.
In number theory, the Legendre symbol is a multiplicative function with values 1, −1, 0 that is a quadratic character modulo of an odd prime number p: its value at a (nonzero) quadratic residue mod p is 1 and at a non-quadratic residue ( non-residue) is −1. Its value at zero is 0. The Legendre symbol was introduced by Adrien-Marie Legendre ...
Definition. For any integer a and any positive odd integer n, the Jacobi symbol (an) is defined as the product of the Legendre symbols corresponding to the prime factors of n : where. is the prime factorization of n . The Legendre symbol (ap) is defined for all integers a and all odd primes p by.