## 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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Page 85

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**Principal**; and the sum of the**principal**and its interest is called the Amount . Interest is SIMPLE INTEREST . 85. Page 86

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**principal**lent or forborn only , for the whole time of forbearance . As the interest of any sum , for any time , is directly proportional to the**principal**sum , and also to the time of continuance ; hence arises the following general ... Page 88

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**principal**, for the time of the first payment , by simple interest . Then consider this amount as a new**principal**for the second payment , whose amount calculate as before . Proceed thus through all the payments to the last , always ... Page 98

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**principal**of 750l , taken in 7 years before : at what rate per cent . per annum did I pay interest ? Ans . 5 per cent . QUEST . 30. Divide 1000l among A , B , C ; so as to give A 120 more , and B 95 less than C. Ans . A 445 , В 230 , С ... Page 102

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**principal**symbols which are employed to designate the operations of algebra and arithmetic , and the relations which subsist between quantities , are the following . Their object is to abbreviate . I. 1. + signifies addition , and is ...### Other editions - View all

### Common terms and phrases

a₁ ABCD algebraic annum arithmetical arithmetical progression base bisect centre circle circumference coefficients common difference compound compound interest cosec cube root decimal denominator denote diagonal diameter distance divided dividend division divisor draw drawn equal equiangular EXAMPLES expression factors figure fraction geometrical geometrical progression given number greater hence inscribed integer intersection least common multiple length less lineation logarithms method Multiply number of terms parallel parallel ruler parallelogram perpendicular plane polygon prism PROBLEM proportional quantity quotient radius ratio rectangle Reduce remainder result right angles rule Scholium sides signs solution square root straight line subtract tangent THEOREM third triangle ABC vulgar fraction Whence whole yards