# The Teachers Assistant. Or, A System of Practical Arithmetic: Wherein the Several Rules of that Useful Science, are Illustrated by a Variety of Examples, a Large Proportion of which are in Federal Money. The Whole Designed to Abridge the Labour of Teachers, and to Facilitate the Instruction of Youth

Johsonn [!] and Warner, no. 147, Market-street, 1811 - 198 σελίδες
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### Περιεχόμενα

 NUMERATION 7 Federal Money 23 Compound Addition 43 Compound Multiplication 56 The Single Rule of Three 73 Tare and Tret 95 Insurance Commission and Brokage 109 Exchange 123
 Decimal Fractions 144 Position 159 The Cube Root 167 Geometrical Progression 173 Annuities at Compound Interest 180 Permutation 187 Promiscuous Questions 193

### Δημοφιλή αποσπάσματα

Σελίδα 74 - Then multiply the second and third terms together, and divide the product by the first term: the quotient will be the fourth term, or answer.
Σελίδα 147 - RULE. Divide as in whole numbers, and from the right hand of the quotient point off as many places for decimals as the decimal places in the dividend exceed those in the divisor.
Σελίδα 114 - H 2400 dollars, of which 480 dollars are to be paid at present, 960 dollars at 5 months, and the rest at 10 months, but they agree to make one payment of the whole, and wish to know the time.
Σελίδα 170 - Bring down the first figure of the next period to the remainder for a new dividend, to which find a new divisor as before, and in like manner proceed till the whole be finished.
Σελίδα 162 - ... dollars. How many days did he work, and how many days was he idle?
Σελίδα 156 - Write the rates of the simples under each other, and link each rate which is less than the mean rate, with...
Σελίδα 182 - Or., by Table III. Multiply the number under the rate, and opposite to the time, by the annuity, and the product will be the amount for yearly payments. If the payments be half yearly or quarterly, the amount » for the given time, found as above, multiplied by the proper number in Table V. will be the true amount.