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Here the 'IEEE 754 double value' resulting of the 15 bit figure is 3.330560653658221E-15, which is rounded by Excel for the 'user interface' to 15 digits 3.33056065365822E-15, and then displayed with 30 decimals digits gets one 'fake zero' added, thus the 'binary' and 'decimal' values in the sample are identical only in display, the values ...
In 1792, the gold/silver price ratio was fixed by law in the United States at 15:1, [11] which meant that one troy ounce of gold was worth 15 troy ounces of silver; a ratio of 15.5:1 was enacted in France in 1803. [12] The average gold/silver price ratio during the 20th century, however, was 47:1. [13]
The first legal definition of sterling silver appeared in 1275, when a statute of Edward I specified that 12 troy ounces of silver for coinage should contain 11 ounces 2 + 1 ⁄ 4 pennyweights of silver and 17 + 3 ⁄ 4 pennyweights of alloy, with 20 pennyweights to the troy ounce. [11] This is (not precisely) equivalent to a millesimal ...
The set included proof American Gold Eagle coins in 1/2 ozt, 1/4 ozt, and 1/10 ozt sizes, a proof Silver Eagle coin, and a 90% silver proof "U.S. Mint Bicentennial" medal, all with "P" mintmarks. [28] In 1995, in addition to the regular proof coin minted at Philadelphia, the United States Mint also issued a proof coin minted at West Point.
The Scandinavian silver alloy contains 83% pure silver and 17% copper or other metals. [10] German silver will be marked with a millesimal fineness of 800 or 835 (80% or 83.5% pure silver). Any items simply marked "German silver", "nickel silver" or "Alpaca" have no silver content at all, but are mere alloys of other base metals. [citation needed]
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$ 1 ⁄ 8 or 1 silver real was 1 "bit". [1] [2] 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.
Among the six was a silver coin, "which shall be, in weight and value, one-tenth part of a silver unit or dollar". From 1796 to 1837, dimes were composed of 89.24% silver and 10.76% copper, [3] the value of which required the coins to be physically very small to prevent their commodity value from being worth more than face value. [4]