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For context, in July 2017 that there are 319 apps which have been downloaded at least 100 million times and 4,098 apps have been downloaded at least ten million times. [1] The 500-million download threshold for free applications has been established to maintain the list's manageability and focus on the most widely distributed apps.
Widely used in many programs, e.g. it is used in Excel 2003 and later versions for the Excel function RAND [8] and it was the default generator in the language Python up to version 2.2. [9] Rule 30: 1983 S. Wolfram [10] Based on cellular automata. Inversive congruential generator (ICG) 1986 J. Eichenauer and J. Lehn [11] Blum Blum Shub: 1986
The app was sold for US$999.99 (equivalent to $1,460 in 2024), €799.99 (equivalent to €1,078 in 2023), and £599.99 (equivalent to £1,011 in 2023)—the highest prices Apple allowed for App Store content. [3] [5] The application was removed from the App Store without explanation by Apple less than a day after its release. [4]
In mathematics, a multiplication table (sometimes, less formally, a times table) is a mathematical table used to define a multiplication operation for an algebraic system. The decimal multiplication table was traditionally taught as an essential part of elementary arithmetic around the world, as it lays the foundation for arithmetic operations ...
Dice are an example of a mechanical hardware random number generator. When a cubical die is rolled, a random number from 1 to 6 is obtained. Random number generation is a process by which, often by means of a random number generator (RNG), a sequence of numbers or symbols is generated that cannot be reasonably predicted better than by random chance.
The Chisanbop system. When a finger is touching the table, it contributes its corresponding number to a total. Chisanbop or chisenbop (from Korean chi (ji) finger + sanpŏp (sanbeop) calculation [1] 지산법/指算法), sometimes called Fingermath, [2] is a finger counting method used to perform basic mathematical operations.
In such a case, for b= 2 32 and r = 1, the period will be ab r /2 − 1, approaching 2 63, which in practice may be an acceptably large subset of the number of possible 32-bit pairs (x, c). More specifically, in such a case, the order of any element divides p − 1, and there are only four possible divisors: 1, 2, ab r /2 − 1, or ab r − 2.
The generator computes an odd 128-bit value and returns its upper 64 bits. This generator passes BigCrush from TestU01, but fails the TMFn test from PractRand. That test has been designed to catch exactly the defect of this type of generator: since the modulus is a power of 2, the period of the lowest bit in the output is only 2 62, rather than ...