## 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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**figures**were formerly all called by the general name of Ciphers ; 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 ... Page 4

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**figure**in the first place , reckoning from right to left , denotes only its own simple value ; but that in the second place , denotes ten times its simple value ; and that in the third place , a hundred times its simple value ; and so ... Page 5

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**figures**; which will be easily done by help of the following rule , deduced from the foregoing tables and observations ; viz . Divide the**figures**in the proposed number , as in the summary above , into periods and half - periods ; then ... Page 7

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**figure**may stand exactly under the**figures**of the same value , that is , units under units , tens under tens , hundreds under hundreds , & c . and draw a line under the lowest number , to separate the given numbers from their sum , when ... Page 8

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**figure**in the lower line , or num- ber , from the**figure**above it , setting down the remainder below it . But if the**figure**in the lower line be greater than that above it , first borrow , or add , 10 to - In like manner , the same ...### 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