# The elements of algebra

printed at the Pitt Press, by John W. Parker, 1841 - 287 σελίδες

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### Περιεχόμενα

 Vulgar FRACTIONS PAGE 1 Decimal Fractions 16 Definitions and Signs used in Algebra 30 Least Common Multiple 48 Surds 67 Problems which produce Simple Equations 89 Problems producing Quadratic Equations 108 Variation 123
 Scales of Notation 186 Logarithms 203 Renewal of Leases 218 APPENDIX i Equations of several Unknown Quantities xvi Problems xlix APPENDIX III lxi Maxima and Minima lxx

 Harmonical Progression 136 Exponential Theorem 157 Continued Fractions 172
 Summation of Series lxxvii EXAMPLES xciv

### Δημοφιλή αποσπάσματα

Σελίδα 95 - This process of adding the square of half the coefficient of the first power of the unknown quantity to the first member, in order to make it a perfect square, is called COMPLETING THE SQUARE.
Σελίδα 91 - A laborer agreed to serve for 36 days on condition that for every day he worked he should receive \$1.25, and for every day he was absent he should forfeit 50 cents.
Σελίδα 114 - If the product of two quantities be equal to the product of two others, two of them may be made the extremes and the other two the means of a proportion.
Σελίδα 83 - Find the value of one of the unknown quantities, in terms of the other and known quantities...
Σελίδα 53 - Now .} of f- is a compound fraction, whose value is found by multiplying the numerators together for a new numerator, and the denominators for a new denominator.
Σελίδα 129 - Progression may be found by multiplying the sum of the first and last terms by half the number of terms.
Σελίδα 117 - When any number of quantities are proportionals, as one antecedent is to its consequent, so is the sum of all the antecedents to the sum of all the consequents.
Σελίδα 110 - Ratio is the relation which one quantity bears to another in respect of magnitude, the comparison being made by considering what multiple, part, or parts, one is of the other.
Σελίδα 28 - The sign of equality, called equal, or equal to, signifies that the quantities between which it is placed are equal to each other.
Σελίδα 19 - Multiply as in whole numbers, and point off as many decimal places in the product as there are in both multiplicand and multiplier. DIVISION. Divide as in whole numbers, and point off...