Concise Decimal Tables for Facilitating Arithmetical Calculations by the Use of which Many Problems in Mensuration are Made Perfectly Easy

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S.N. Dickinson, 1830 - Decimal system - 23 pages
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Page 8 - RULE. Divide the numerator by the denominator, and the quotient will be the whole or mixed number sought. EXAMPLES. 1. Reduce V to its equivalent number. 3)12(4 Answer. 12 2. Reduce y to its equivalent number. 7)15(2| Answer. 1 ^ to its equivalent number An?.
Page 8 - Annex cyphers to the numerator, and divide by the denominator ; and the quotient will be the decimal required.
Page 8 - ... whole numbers ; then point off as many places of the product for decimals as there are decimals in both factors ; but if the product does not consist of as many places, supply the deficiency by prefixing ciphers. Multiply 6.25 1.50 1.625 by .25 .75 .037 3125 750 11375 1250 1050 4875 Ans. 1.5625 1.1250 .060125 Division of Decimals. RULE 1. — Proceed as in division of whole numbers ; then point off as many places of the quotient for decimals as the dividend has decimal places more than the divisor....
Page 8 - ... decimals, as the decimal places in the dividend exceed those in the divisor. " 2. If the places of the quotient be not so many as the rule requires, supply the defect by prefixing cyphers to the left hand. " 3. If at any time there be a remainder, or the decimal places in the divisor be more than those in the dividend, cyphers may be annexed to the dividend or to the remainder, and the quotient carried on to any degree of exactness.
Page 4 - A sphere is a solid, bounded by a curved surface, every part of which is equally distant from a point within, called the centre.
Page 2 - District Clerk's Office. BE IT REMEMBERED, That on the seventh day of May, AD 1828, in the fifty-second year of the Independence of the UNITED STATES OF AMERICA, SG Goodrich, of the said District, has deposited in this office the...
Page 8 - Multiplication of Decimals. RULE. — Proceed as in multiplication of whole numbers ; then point off as many places of the product for decimals as there are decimals in both factors ; but if the product does not consist of as many places, supply the deficiency by prefixing ciphers.
Page 6 - I ; -jig- divided into 10,000 parts, 625 ten thousandths = ^. Hence the necessity of the unit being divided into very small parts in order to express some fractions. There are fractions which cannot be expressed exactly by the decimal scale. Many instruments are divided decimally, for when dimensions are taken by a decimal scale there is no difficulty in expressing the fractions accurately. Decimal fractions are of such a nature, that they vary in the same proportion, and are governed by the same...
Page 2 - MASSACHUSETTS, to wit: District Clerk's Office. BE IT REMEMBERED, That on the twentieth day of November, AD 1829, in the fifty-fourth year of the Independence of the United States of America, LINCOLN &.
Page 13 - To find the side of the largest square that can be inscribed in a circle of a given diameter or circumference. Multiply the given diameter by .707106. Or, Multiply the given circumference by .225079. NOTE. — To find the circumference of a circle required to exactly admit a square of a given side, divide the given side by .225079.

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