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The quadratic excess E(p) is the number of quadratic residues on the range (0,p/2) minus the number in the range (p/2,p) (sequence A178153 in the OEIS). For p congruent to 1 mod 4, the excess is zero, since −1 is a quadratic residue and the residues are symmetric under r ↔ p−r. For p congruent to 3 mod 4, the excess E is always positive. [29]
The first American-made pocket-sized calculator, the Bowmar 901B (popularly termed The Bowmar Brain), measuring 5.2 by 3.0 by 1.5 inches (132 mm × 76 mm × 38 mm), came out in the Autumn of 1971, with four functions and an eight-digit red LED display, for US$240, while in August 1972 the four-function Sinclair Executive became the first ...
It is useful to note that for N 2 the normal boiling point of the liquid is 77.4 K and the critical point is at 126.2 K and 34.0 bar. Overview of the temperature and pressure dependence of the compressibility factor for N 2. The figure on the right shows an overview covering a wide temperature range.
Exponentiation is when a number b, the base, is raised to a certain power y, the exponent, to give a value x; this is denoted =. For example, raising 2 to the power of 3 gives 8: = The logarithm of base b is the inverse operation, that provides the output y from the input x.
Audi [13] Named after the famous Audi TT car Binary [40] In Binary, 1010 equals 10 (in decimal notation) Bo Derek: Actress from movie 10 [19] Dimes [30] A dime is a coin worth ten cents or one tenth of a United States dollar: Dynamite [46] Comes from T and T sounding like the explosive TNT McDonald's: Named after the ten piece McNugget Potatoes
In mathematics, −1 (negative one or minus one) is the additive inverse of 1, that is, the number that when added to 1 gives the additive identity element, 0. It is the negative integer greater than negative two (−2) and less than 0 .
[39] [40] It is known that Peter the Great imported a number of Dutch paintings from abroad for the decoration of the Monplaisir. Among these, the works of the painter and engraver Adam Silo occupied a special place. The paintings were displayed in the palace's ceremonial hall and other rooms, which were regarded as "the first picture gallery ...
253 Fm has a half-life of 3 days, while 251 Fm of 5.3 h, 252 Fm of 25.4 h, 254 Fm of 3.2 h, 255 Fm of 20.1 h, and 256 Fm of 2.6 hours. All the remaining ones have half-lives ranging from 30 minutes to less than a millisecond. [ 16 ]