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A mathematical constant is a key number whose value is fixed by an unambiguous definition, often referred to by a symbol (e.g., an alphabet letter), or by mathematicians' names to facilitate using it across multiple mathematical problems. [1]
The ounce (/ ˈ aʊ n s /) is any of several different units of mass, weight, or volume and is derived almost unchanged from the uncia, an Ancient Roman unit of measurement.. The avoirdupois ounce (exactly 28.349 523 125 g) is 1 ⁄ 16 avoirdupois pound; this is the United States customary and British imperial ounce.
1 imperial gill ≡ 5 imperial fluid ounces: ≡ 1 / 32 imperial gallon: ≡ 1 / 8 imperial quart ≡ 1 / 4 imperial pint ≡ 1 / 2 imperial cup ≡ 10 tablespoons ≡ 40 Imperial fluid drams: ≡ 142.0653125 mL [a] ≈ 4.8038 U.S. fluid ounces: ≈ 0.037 5297 US gallons: ≈ 0.300 2375 US pints ≈ 0.600 475 US ...
The cup is a cooking measure of volume, commonly associated with cooking and serving sizes.In the US, it is traditionally equal to one-half US pint (236.6 ml). Because actual drinking cups may differ greatly from the size of this unit, standard measuring cups may be used, with a metric cup commonly being rounded up to 240 millilitres (legal cup), but 250 ml is also used depending on the ...
An imperial fluid ounce is 1 ⁄ 20 of an imperial pint, 1 ⁄ 160 of an imperial gallon, or exactly 28.4130625 mL. A US customary fluid ounce is 1 ⁄ 16 of a US liquid pint , 1 ⁄ 128 of a US gallon , or exactly 29.5735295625 mL, making it about 4.084% larger than the imperial fluid ounce.
Unit fractions can also be expressed using negative exponents, as in 2 −1, which represents 1/2, and 2 −2, which represents 1/(2 2) or 1/4. A dyadic fraction is a common fraction in which the denominator is a power of two, e.g. 1 / 8 = 1 / 2 3 . In Unicode, precomposed fraction characters are in the Number Forms block.
A half (1 ⁄ 2, or 0.5) of a US gallon. Replaced by the 1.75 L "metric half-gallon" in 1976. Replaced by the 1.75 L "metric half-gallon" in 1976. The British Reputed Pint and Reputed Quart were used in Great Britain and throughout the Empire from the late 17th century until the early 20th century.
A fixed-point representation of a fractional number is essentially an integer that is to be implicitly multiplied by a fixed scaling factor. For example, the value 1.23 can be stored in a variable as the integer value 1230 with implicit scaling factor of 1/1000 (meaning that the last 3 decimal digits are implicitly assumed to be a decimal fraction), and the value 1 230 000 can be represented ...