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

Samuel Green, 1815 - Arithmetic - 240 pages

Contents

 Arithmetical progression 194 14 Questions for Exercise 30 Commission 124 34 Rule of Three Direct do Inverse 88 Rules for reducing the different currencies of 98 Discount 135 Fellowship 144
 Subtraction Simple 155 217 164 Interest Simple 120 169 Table Numeration and Fence 172 Inverse Proportion 178 Numeration 15 200 showing the present worth of il annuity 236

Popular passages

Page 176 - If there be after payments made, compute the interest on the balance due to the next payment, and then deduct the payment as above; and, in like manner, from one payment to another, till all the payments are absorbed; provided the time between one payment and another be one year or more.
Page 182 - Find the greatest square number in the first or left hand period, place the root of it at the right hand of the given number, (after the manner of a quotient in division...
Page 176 - But if any payment be made before one year's interest hath accrued, then compute the interest on the principal sum due on the obligation for one year, add it to the principal, and compute the interest on the sum paid, from the time it was paid, up to the end of the year : add it to the sum paid, and deduct that sum from the principal and interest added as above...
Page 186 - Multiply the divisor, thus augmented, by the last figure of the root, and subtract the product from the dividend, and to the remainder bring down the next period for a new dividend.
Page 25 - If the lower figure is greater than that, above it, add ten to the upper figure ; from which number so increased, take the lower and set down the remainder, carrying one to the next lower number, with which proceed as before, and so on till the whole is finished.
Page 140 - ... months : what is the equated time for the payment of the whole ? Ans.
Page 213 - A young hare starts 40 yards before a grey-hound, and is not perceived by him till she has been up 40 seconds ; she scuds away at the rate of ten miles an hour, and the dog, on view, makes after her at the rate of 18.
Page 236 - 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 157 - A single, simple, or proper fraction, is when the numerator is less than the denominator, as 4 3 | -|f , &c.
Page 84 - ... from the right hand of the quotient, point off so many places for decimals, as the decimal places in the dividend exceed those in the divisor.