 | Thomas Breaks - Logarithms - 1771 - 646 pages
...performed Numerically and Logarithmically. PRO B. XIX. To multiply "Duodecimal Numbers together. RULE I. FEET multiplied by Feet give Feet. Feet multiplied...Seconds give Thirds. • Seconds multiplied by Seconds gire Fourths, &c. Note, To work Examples of this Kind by the Logarithms, it is neceffary to reduce... | |
 | Charles Marshall - Arithmetic - 1789 - 140 pages
...give . f(ft multiplied by Seconds, give Seconds. . Inches multiplied by Inches, give Inches, •* _ _ Inches multiplied by Seconds, give Thirds. Seconds multiplied by Seconds, 'give Fourths-, RULE J . ¡,- WhenJhi Feet in the Multiplicand and Multiplier do nut exceed ÏS. Begin with the loweft... | |
 | Jeremiah Paul - Arithmetic - 1801 - 238 pages
...considered, multiply the superficial content by the thrcknesi. Feet multiplied by feet, gire fett. Feet multiplied by inches, give inches. ;> Feet multiplied by seconds, give seconds, biches multiplied by inches, give seconds. Inches multiplied by seconds, give thirds. Seconds multiplied... | |
 | George Fisher (accountant.) - 1811 - 302 pages
...each respective Term ; carry ug an unit for every 12 from each lower name to its next higher. Nate. Feet multiplied by feet give feet : — Feet multiplied by inches give inches: but inches multiplied by inches give* seconds. Jn the same way mutiply all the terms of the Multiplicand... | |
 | Daniel Adams - Arithmetic - 1812 - 226 pages
...anl'wer required. The more eafily to comprehend die rule, NOTE. Feet multiplied by Feet give , fat. — Feet multiplied by Inches give Inches. — Feet multiplied...Inches multiplied by Inches give Seconds. — Inches multiE ХАМ p LES. plied by Sxondt g'roe Thirds Seconus multiplied by Seconds give Fourths. 1. Multiply... | |
 | Daniel Adams - Arithmetic - 1816 - 222 pages
...places, tiff, and their sum will be the answer required. The more easily to comprehend the rule — NOTE. Feet multiplied by feet give feet — Feet multiplied...Feet multiplied by seconds give seconds — Inches mulEXAMPLES. tiplied by inches give seconds— Inches multiplied by seconds give 1. Multiply 7 feet,... | |
 | Arithmetic - 1817 - 214 pages
...feet in the multiplier, supply their place with a cipher ; and in like manner supply the place tf auy other denomination between the highest and lowest....thirds. Seconds multiplied by seconds, give fourths. EXAMPLES. I. Multiply 10 Ft. 6 I. by 4 Ft. 6 I. Or Decimally. /. Or thus; Ft. L Ft. 6 | i I 10 6 10... | |
 | Thomas Dilworth - Arithmetic - 1818 - 222 pages
...workmanship must he be paid for ? MULTIPLICATION OF DUODECIMALS. COMMONLY CALLED CROSS MULTIPLICATION. Note. Feet multiplied by feet give feet, Feet multiplied...thirds, Seconds multiplied by seconds give fourths, &.c. EXAMPLES. 1. OF FEET AND INCHES. 1. Here I multiply the If. Zi. first by 4 feet (which give feet... | |
 | James Maginness - Arithmetic - 1821 - 378 pages
...11 7 9 MULTIPLICATION OF DUODECIMALS. We must observe, in duodecimals, or cross multiplication, that Feet multiplied by feet, give feet.* Feet multiplied...thirds. Seconds multiplied by seconds, give fourths, &c. Multiplication of duodecimals is used in computing glazier's, painter's, carpenter's, and any work... | |
 | Jacob Willetts - Arithmetic - 1822 - 200 pages
...other dcaomin, linu between the highest uui1 lowest. Note 2. — Feet multiplied by feet, give feel, ,' Feet multiplied by inches. give inches. -- Feet multiplied...seconds. Inches multiplied by seconds, give thirds. i Seconds muHipli d by seconds, give fourth*. EXAMPLES. 1. Multiply 10 Ft. 6 I. by 4 Ft. 6 In. Ft.... | |
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Feet multiplied by feet, give feet. Feet multiplied by inches, give inches. Feet multiplied by seconds, give seconds. Inches multiplied by inches, give seconds. 
