# Practical and Mental Arithmetic: On a New Plan: in which Mental Arithmetic is Combined with the Use of the Slate: Containg a Complete System for All Practical Purposes; Being in Dollars and Cents

J.B. Lippincott & Company, 1861 - 280 páginas

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Página 19 - Decedents," and to repeal said original sections, -and to repeal sections one (1), two (2), three (3), four (4), five (5), six (6), seven...
Página 2 - One 1 Two 2 Three 3 Four 4 Five 5 Six 6 Seven 7 Eight...
Página 209 - Compute the interest to the time of the first payment ; if that be one year or more from the time the interest commenced, add it to the principal, and deduct the payment from the sum total. 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.
Página 3 - Eleven ;.11 Twelve 12 Thirteen 13 Fourteen 14 Fifteen 15 Sixteen 16 Seventeen 17...
Página 257 - 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.
Página 79 - In 2 ? In 3 ? In 4? In 5? In 6? In 7? In 8? In 9? In 10? In 11 ? 5. How many times is 6 contained in 1 ? In 2 ? In 3 ? In 4? In 5? In 6?
Página 259 - Hence, when the extremes and number of terms are given, to find the common difference, — Divide the difference of the extremes by the number of terms, less 1, and the quotient will be the common difference.
Página 144 - In the multiplication of decimal fractions, multiply as in whole numbers, and from the product point off so many figures for decimals as there are decimal places in the multiplicand and multiplier counted together, and, if there are not so many figures in the product, supply the deficiency by prefixing ciphers.
Página 210 - ... 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.
Página 118 - Multiply the numerators together for a new numerator, and the denominators together for a new denominator.