## A Course of Mathematics: In Two Volumes. Composed for the Use of the Royal Military Academy, Volume 1Longman, Orme & Company, 1841 - Mathematics |

### From inside the book

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**whence**it came to pass that the art of Arithmetic was then often called Ciphering . The first nine are called Significant Figures , as distinguished from the cipher , which is of itself quite insignificant as a number . Besides this ... Page 50

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**Whence**the reason of the rule is manifest , both for addition and subtraction . Note 1. When several fractions are to be collected , it is commonly best first to add two of them together that most easily reduce to a common denominator ... Page 54

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**whence**its name . A mixed number is made up of a whole number with some decimal fraction , the one being separated from the other by a point . Thus , 3-25 is the same as 3100 , or foo . 25 325 Ciphers on the right - hand of decimals ... Page 55

... other by N. Then the actual numbers are and M N : 10m 10.

... other by N. Then the actual numbers are and M N : 10m 10.

**Whence**, their product is 10m + n that is , there are m + n decimals in the quotient . 2. Multiply 79-347 by 23.15 . 3. Multiply 63478 by MULTIPLICATION OF DECIMALS . 55. Page 121

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**Whence**, attaching the literal parts , we get as the product x59x430x3 51x2 + 47x - 18 . But as the line ( b ) is the same with the line ( a ) we may put it thus : 9 ( −3 + 2 1 - - - 6 + 10 318 . - 30 +27 2 - 12 + 20 - 18 1 -- 9 +30 ...### Other editions - View all

### Common terms and phrases

ABCD algebraic altitude arithmetical arithmetical progression base bisect breadth centre chord circle circumference coefficients common cone cosec cube root decimal denominator denoted diagonal diameter difference dihedral angle distance divided divisor draw drawn equal equation equiangular EXAMPLES expression figure fraction frustum geometrical given line greater hence inscribed integer intersection join length less lineation logarithms mantissa measure meeting method multiplied parallel parallel ruler parallelogram perpendicular plane polygon prism PROBLEM proportional quantity quotient radii radius ratio rectangle Reduce right angles rule Scholium segment sides sine solid angle solution square root straight line subtraction tangent THEOREM third trapezium triangle ABC u₁ vulgar fraction Whence