CONTENTS. Page. Of Addition. Of the principles on which addition is founded Of the principles on which multiplication is performed The table of Pythagoras, containing the products of any two fig- To multiply by 10, 100, 1000, &c. Rule for multiplying by a number consisting of a single digit and any number of ciphers Of Division. ibid. 32 ibid. The manner of reading and writing fractions An explanation of the terms numerator and denominator A Table representing the changes which take place in a fraction, The value of a fraction not altered by multiplying or dividing both its terms by the same number To simplify a fraction without altering its value General signification of the term multiplier To find the whole number contained in a fraction Of the addition and subtraction of mixed numbers The product of several factors not changed, by changing the or- The manner of reading and writing decimals A number containing decimals, not altered by annexing ciphers ibid. Method of approximating the quotient of a division by decimals ibid. Note.-Method of finding the value of the quotient of a division in fractions of a given denomination To reduce vulgar fractions to decimals Of periodical decimals ibid. · ibid. 67 ibid. ibid. To reduce pounds and shillings to pence &c. To reduce a number from a lower denomination to a higher ibid. To reduce the several parts of a compound number to a fraction ibid. ibid. To reduce a decimal of a higher denomination to a lower To convert shillings, pence, and farthings, to the decimal of a To convert the decimal of a pound to shillings &c. General rule for the addition of compound numbers Method of proving the addition of compound numbers Of the subtraction of compound numbers To prove subtraction of compound numbers Multiplication of compound numbers General rule for the multiplication of compound numbers Mode of proceeding, when the multiplier exceeds 12 Method of operation, when the divisor is large, and resolvable into two or more factors ibid. Process, when the divisor cannot be so resolved Multiplication and division mutually prove each other Of Proportion. A development of the principles on which the rules of proportion 91 ibid. 92 93 ibid.. 94 ibid. Of the equality of the product of the means to that of the extremes 95 Transposition of the terms of a proportion To obtain any one term of the proportion from the other three The Rule of Three Rules for the stating of questions ibid. 96 97 ibid. These principles illustrated by examples Of the compounding of ratios General rule for solving questions in compound proportion Fellowship. 103 ibid. 108 The use of the rule, and the principles on which it is founded Manner of writing numbers in equidifference |