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Books Books 1 - 10 of 30 on HOW divided, of the algebraic analysis may be divided into two classes : those which....  
" HOW divided, of the algebraic analysis may be divided into two classes : those which are known or given, and those which are unknown or sought. The Howrepre- known are uniformly represented by the first letters of the alphabet, a, b, c, d, &c. ; and the... "
Elements of Algebra: Including Strums' Theorem - Page 12
by M. Bourdon (Louis Pierre Marie) - 1847 - 368 pages
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A Treatise on the Elements of Algebra

Bewick Bridge - Algebra - 1821 - 227 pages
...Algebraic Method of Notation. 1. Quantities whose values are known or determined, are generally expressed by the first letters of the Alphabet, a, b, c, d, &c. ; and unknown or undetermined quantities are commonly represented by the last letters of the Alphabet, x,...
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Universal Technological Dictionary: Or, Familiar Explanations of ..., Volume 2

George Crabb - Industrial arts - 1823
...or negative. Known Quantities are those which are given or admitted as known, which are usually represented by the first letters of the alphabet, a, b, c, d, e, fyc. Unknown Quantities are those, the values of which not being known are to be sought for...
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The Elements of Algebra ...

James Wood - Algebra - 1825 - 305 pages
...such quantities and their relations, is called Algebra. Known or determined quantities are usually represented by the first letters of the alphabet, a, b, c, d, &c. and unknown or undetermined quantities, by the last, y, x, w, &c. The following signs are made use of to...
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A Hand-book, Or, Concise Dictionary of Terms Used in the Arts and Sciences

Walter Hamilton (M.R.A.S.) - Science - 1825 - 451 pages
...affected with the sign (minus) prefixed or supposed. QUANTITIES (given.) In Algebra, these are denoted by the first letters of the alphabet, a, b, c, d, &c. ; the quantities sought by the last letters, z, y, x, &c. QUANTITY. In Grammar, this denotes the measure...
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Elements of arithmetic, algebra and geometry

George Lees - 1826
...specified to such as are given or known. And, with a view to a more complete distinction, known or given quantities are represented by the first letters of the alphabet, a, b, c, d, &c. ; and those which are unknown by the last, at, y, ss, &c. 3. To express the relations which quantities bear...
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A concise system of mathematics

Alexander Ingram - 1830
...is necessary to represent the known quantities by letters, as well as the unknown ones. The former are represented by the first letters of the alphabet, a, b, c, &c. and the unknown ones by the last letters, x, y, z, &c. The question is translated into equations,...
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A commentary on Newton's Principia: With a supplementary volume. Designed ...

John Martin Frederick Wright - 1833
...be made less or greater. Constants, as such quantities may briefly be called, are denoted generally by the first letters of the alphabet, a, b, c, d, &c. A definite quantity is a GIVEN VALUE of a quantity essentially variable. Definite quantities are denoted...
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Elements of analytical geometry: embracing the equations of the point, the ...

Charles Davies - Geometry, Analytic - 1836 - 352 pages
...may be necessary to establish the relations which exist between them. 2. Represent the known lines by the first letters of the alphabet, a, b, c, d, &c. ; and the required lines by x, y, z, &c. 3. Consider the geometrical relations which exist between the known...
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Principles of the differential and integral calculus: familiarly illustrated ...

William Ritchie - History - 1836 - 174 pages
...supposed to increase or decrease at a uniform rate. The former are called Constant Quantities, and are represented by the first letters of the alphabet, a, b, c, Sac. ; the latter are called Variable Quantities, and are represented by the last letters x, y, z....
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The mechanical Euclid, containing the elements of mechanics and hydrostatics

William Whewell - 1837
...such quantities and their relations, is called ALGEBRA. Known or determined quantities are usually represented by the first letters of the alphabet a, b, c, d, &c. and unknown or undetermined quantities by the last y, ae, w, &c. The following signs are made use of to...
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