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SHA-2 (Secure Hash Algorithm 2) is a set of cryptographic hash functions designed by the United States National Security Agency (NSA) and first published...

12 (twelve) is the natural number following 11 and preceding 13. Twelve is a superior highly composite number, divisible by the numbers 2, 3, 4, and 6...

In econometrics, the autoregressive conditional heteroskedasticity (ARCH) model is a statistical model for time series data that describes the variance...

In mathematics, a function f {\displaystyle f} defined on some set X {\displaystyle X} with real or complex values is called bounded if the set of its...

In number theory, an n-Knödel number for a given positive integer n is a composite number m with the property that each i < m coprime to m satisfies i...

In numerical analysis, a multigrid method (MG method) is an algorithm for solving differential equations using a hierarchy of discretizations. They are...

In mathematics, especially mathematical logic, graph theory and number theory, the Buchholz hydra game is a type of hydra game, which is a single-player...

The HP 20b Business Consultant (F2219A, codenamed "Little Euro") is a financial calculator published in 2008 by Hewlett-Packard. Its function is similar...

Magnus Sahlgren (born 1 January 1973) is a Swedish computational linguist and guitarist. Magnus Sahlgren is known for his work on Random indexing applied...

Chaotic cryptology is the application of mathematical chaos theory to the practice of cryptography, the study or techniques used to privately and securely...

Antony Richard Unwin (born 23 January 1950 in Belfast) is an academic statistician and software developer. He is known for his work on interactive statistical...

In medicine, a stepped-wedge trial (or SWT) is a type of randomised controlled trial (RCT). An RCT is a scientific experiment that is designed to reduce...

Cosine error is a type of measurement error caused by the difference between the intended and actual directions in which a measurement is taken. Depending...

7 (seven) is the natural number following 6 and preceding 8. It is the only prime number preceding a cube. As an early prime number in the series of positive...