# Daboll's Schoolmaster's Assistant: Improved and Enlarged; Being a Plain Practical System of Arithmetic: Adapted to the United States

Thomas M. Skinner, and sold wholesale and retail., 1820 - Arithmetic - 240 pages

### Contents

 Alligation 189 14 Questions for Exercise 30 Commission 124 34 100 108 47 Rule of Three Direct do Inverse 88 Short Practical for calculating Interest 126 Discount 135
 Fellowship 144 Fractions Vulgar and Decimal 74 155 Insurance 126 169 Inverse Proportion 367 178 Numeration 15 200 Table Numeration and Pence 232

### Popular passages

Page 36 - RULE.* 1. Place the numbers so that those of the same denomination may stand directly under each other. 2. Add the first column or denomination together, as in whole numbers; then divide the sum by as many of the same denomination as make one of the next greater...
Page 21 - Subtract the subtrahend from the dividend, and to the remainder bring down the next period for a new dividend, with which proceed as before ; and so on, till the whole is finished.
Page 96 - Multiply the second and third terms together, and divide their product by the first term ; the quotient will be the answer to the question, in the same denomination you left the second term in, which may be brought into any other denomination required.
Page 183 - Involve the root to the next inferior power to that which is given, and multiply it by the number denoting the given power for a divisor.
Page 216 - To measure a parallelogram or long square. RULE.— Multiply the length by the breadth, and the product will be the area, or superficial content, in the same name as that in which the dimension was taken, whether inches, feet, or rods, etc.
Page 162 - Multiply all the numerators together for a new numerator, and all the denominators together for a new denominator.
Page 21 - Place the least number under the greatest, so that units may stand under units, tens under tens, &c. and draw a line under them. 2. Begin at the right hand, and take each figure in the lower line from the figure above it, and set down the remainder. 3.
Page 191 - RULE.* — Multiply the sum of the extremes by the number of terms, and half the product will be the answer.
Page 226 - July next, foreign gold and silver coins shall pass current as money within the United States, and be a legal tender for the payment of all debts and demands...
Page 151 - A single, simple, or proper fraction, is when the numerator is less than the denominator, as 4 3 | -|f , &c.