ARITHMETIC.
SIGNS USED IN CALCULATION.
+ Plus, indicates addition; thus, 10 + 5 Is 15.
- Minus, indicates subtraction; thus, 10 - 5 la 5.
X Multiplied by, indicates multiplication; thus, 10 X 5 is 50.
Divided by, indicates division; thus, 10 ?*? 5 is 2. = Equal to, indicates equality; thus, 12 in. = 1 ft.
( )' C 1' { }1 ca^e<^ parenthesis, bracket, and brace, respectively, have the same meaning, and signify that the operations hidicated within them are to be performed first; or, if more than one is used, that indicated in the inner one is to be effected first. Thus, in the expression 5(7 - 2), the subtraction is to be made before multiplying by 5. Again, in
the expression - i") J' tne SUDtruct^on indicated
within the parenthesis is made first; the remainder is atided to a, and one-half the sum found.
-, called the vinculum, is used for the same purpose as
the parenthesis, but chiefly in connection with the sign
l/; thus, V
called the decimal point, is place
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SIGNS USED IN CALCULATION.
+ Plus, indicates addition; thus, 10 + 5 Is 15.
- Minus, indicates subtraction; thus, 10 - 5 la 5.
X Multiplied by, indicates multiplication; thus, 10 X 5 is 50.
Divided by, indicates division; thus, 10 ?*? 5 is 2. = Equal to, indicates equality; thus, 12 in. = 1 ft.
( )' C 1' { }1 ca^e<^ parenthesis, bracket, and brace, respectively, have the same meaning, and signify that the operations hidicated within them are to be performed first; or, if more than one is used, that indicated in the inner one is to be effected first. Thus, in the expression 5(7 - 2), the subtraction is to be made before multiplying by 5. Again, in
the expression - i") J' tne SUDtruct^on indicated
within the parenthesis is made first; the remainder is atided to a, and one-half the sum found.
-, called the vinculum, is used for the same purpose as
the parenthesis, but chiefly in connection with the sign
l/; thus, V
called the decimal point, is place
About the Publisher
Forgotten Books is a publisher of historical writings, such as: Philosophy, Classics, Science, Religion, History, Folklore and Mythology.
Forgotten Books' Classic Reprint Series utilizes the latest technology to regenerate facsimiles of historically important writings. Careful attention has been made to accurately preserve the original format of each page whilst digitally enhancing the difficult to read text. Read books online for free at www.forgottenbooks.org
