Books Books
The Sign of Subtraction, — , is read minus. It denotes that the quantity to which it is prefixed is to be subtracted. Thus, a — b, denotes that b is to be subtracted from a.
The first principles of algebra, for the use of the boys of the Royal ... - Page 1

## The British Encyclopedia, Or Dictionary of Arts and Sciences ..., Volume 1

William Nicholson - Natural history - 1809 - 716 pages
...science, and to reduce its operations into a less compass. Accordingly the sign -J-, plus, or more, signifies that the quantity to which it is prefixed is to be added, and it is called a positive or affirmative quantity. Thus, a -f- b expresses the sum of the two quantities...

## American Edition of the British Encyclopedia: Or, Dictionary of ..., Volume 1

William Nicholson - Arts - 1819 - 432 pages
...science, and to reduce its operations into a less compass. Accordingly the sign -f-, plus, or more, signifies that the quantity to which it is prefixed is to be added, and it is called a positive or affirmative quantity. Thus, a+4, expresses the sum of the two quantities...

## Elements of Arithmetic, Algebra, and Geometry

George Lees - 1826 - 276 pages
...other in respect of composition, certain signs are employed, which are as follow :— 4. The sign -f- (plus) signifies that the quantity to which it is...that the quantity represented by b is to be added to that represented by a. If a represent 5 and b 4, then will a +6 represent 5+4 or 9- If no sign is prefixed...

## The elements of algebra

Andrew Bell (writer on mathematics.) - 1839 - 500 pages
...equal. Thus, a = b denotes that a is equal to b. (14.) The sign of addition, +, enunciated plus, denotes that the quantity to which it is prefixed is to be added to some other quantity. Thus, a-\-b means that Ъ is to added to a. If a = 4 and Ъ = 3, then a+¿...

## The elements of algebra

James Wood - Algebra - 1841 - 492 pages
...or symbols are made use of to express the relations which the quantities bear to each other. 59. + (which is read Plus) signifies that the quantity to which it is prefixed must be added. Thus a + b signifies that the quantity represented by b is to be added to the quantity...

## Ray's Algebra, Part First: On the Analytic and Inductive Methods of ..., Part 1

Joseph Ray - Algebra - 1848 - 252 pages
...quantity represented by a is equal to 3. ART. 2O. The sign of addition, +, is read phis. It denotes that the quantity to which it is prefixed, is to be added to some other quantity. Thus, a-\-b denotes that 6 is to be added to a. If a=2 and 1=3, then a+6=2+3,...

## Ray's Algebra Part Second: An Analytical Treatise, Designed for High Schools ...

Joseph Ray - Algebra - 1852 - 408 pages
...a: is equal to 5. ART. 9. The sign -(-, is termed the sign of addition. It is read plus, and denotes that the quantity to which it is prefixed is to be added. Thus, a-\-b denotes that 6 is to be added to a. If o=3, and 6=5, then a-{-b='3-—5, which are =8. ART. 1O. The...

## Ray's Algebra, Part First: On the Analytic and Inductive Methods of ...

Joseph Ray - Algebra - 1848 - 250 pages
...quantity represented by a is equal to 3. ART. 2O. The sign of addition, +, is read plus. It denotes that the quantity to which it is prefixed, is to be added to some other quantity. Thus, a+6 denotes that b is to be added to a. If o=2 and 6=3, then a+6=2+3,...