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$ 1 ⁄ 8 or 1 silver real was 1 "bit". With the adoption of the decimal U.S. currency in 1794, there was no longer a U.S. coin worth $ 1 ⁄ 8, but "two bits" remained in the language with the meaning of $ 1 ⁄ 4. Because there was no 1-bit coin, a dime (10¢) was sometimes called a short bit and 15¢ a long bit.
While the number of grains on the first half of the chessboard is large, the amount on the second half is vastly (2 32 > 4 billion times) larger. The number of grains of wheat on the first half of the chessboard is 1 + 2 + 4 + 8 + ... + 2,147,483,648 , for a total of 4,294,967,295 (2 32 − 1) grains, or about 279 tonnes of wheat (assuming 65 ...
A bit is an antiquated term equal to one eighth of a dollar or 12 + 1 ⁄ 2 cents, after the Spanish 8-Real "piece of eight" coin on which the U.S. dollar was initially based. So "two bits" is twenty-five cents; similarly, "four bits" is fifty cents. More rare are "six bits" (75 cents) and "eight bits" meaning a dollar.
A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula. As formulas are entirely constituted with symbols of various types, many symbols are needed for ...
Cycles of the unit digit of multiples of integers ending in 1, 3, 7 and 9 (upper row), and 2, 4, 6 and 8 (lower row) on a telephone keypad. Figure 1 is used for multiples of 1, 3, 7, and 9. Figure 2 is used for the multiples of 2, 4, 6, and 8. These patterns can be used to memorize the multiples of any number from 0 to 10, except 5.
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A man-hour or human-hour is the amount of work performed by the average worker in one hour. [1][2] It is used for estimation of the total amount of uninterrupted labor required to perform a task. For example, researching and writing a college paper might require eighty man-hours, while preparing a family banquet from scratch might require ten ...
Although the division of hours into minutes and seconds did not occur until the Middle Ages, Classical astrologers had a minuta equal to 1 ⁄ 60 of a day (24 modern minutes), a secunda equal to 1 ⁄ 3600 of a day (24 modern seconds), and a tertia equal to 1 ⁄ 216,000 of a day (0.4 modern seconds).