Algorithms for generating numbers according to a particular probability distribution. For example, the two most common problems are generating integers uniformly between 1 and n, and generating real numbers uniformly between 0 and 1. Other common distributions include Gaussian and Poisson. Because most random-number-generation algorithms have no influence from the outside environment, they are inherently pseudorandom: predictable, and following a pattern, also ideally not an apparent one. Thus the quote: "Anyone who considers arithmetical methods of producing random digits is, of course, in a state of sin." - John von Neumann (1951) A classic reference on this topic, and a good starting point, is Donald Knuth's Art of Computer Programming. Pseudorandom Numbers Algorithms Computers.

- A Random Number Generator
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A small, Number Generator, simple open-source shareware program by Scott Donato Saccenti [Win95]. Random Number Generator. - Algorithms Pseudo Random Number Generators
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Algorithms for good random number generators with theoretical discussion and software examples. Pseudo Random Number Generators. - Presents HENKOS Pseudorandom Number Generator
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Presents and evaluates this generator, Pseudorandom Number Generator, intended for use as a key generator for a one-time pad cipher. HENKOS Pseudorandom Number Generator. - A ENT
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A pseudorandom number sequence test program. ENT. Free download of C++ source code and MS-DOS executable. ENT. - Fast frandom
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Fast RNG for the Linux kernel. frandom. A sourceforge project. frandom. - A The pLab Project
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A server on the theory and practice of random number generation. The pLab Project. - A RngPack
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A pseudorandom number generator package for Java. RngPack. Source code free under BSD licence. RngPack. - Windows Segobit Software: Random Number Generator Pro
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Windows application to generate several random numbers in a given range, Software: Random Number Generator Pro, subject to constraints like excluding certain digits. Segobit Software: Random Number Generator Pro. - Universal UNURAN
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Universal Non-Uniform RANdom number generators: a GPL library of C functions to generate nonuniform random numbers, UNURAN, by Josef Leydold and Wolfgang Hoermann of the University of Economics, Vienna. UNURAN. - Documentation Random Number Generator Algorithms
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Documentation of algorithms in the GNU Scientific Library Reference Manual. Random Number Generator Algorithms. - Information Random Number Generation, Taygeta Scientific Inc.
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Information and articles on random number generation. Random Number Generation, Taygeta Scientific Inc.. - Source Netlib: Random Number Generators
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Source code for various random number generators in C and Fortran, Random Number Generators, including the well-known RANLIB library supporting many continuous and discrete probability distributions. Netlib: Random Number Generators. - Project NIST: Random Number Generation and Testing
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Project to develop a battery of statistical tests to detect nonrandomness in binary sequences, Random Number Generation and Testing, to produce documentation and a software implementation of these tests, and to provide guidance in the use of these tests. NIST: Random Number Generation and Testing. - A Pseudo-random Numbers
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A guide to the literature. Pseudo-random Numbers. - Links WWW Virtual Library: Random numbers and Monte Carlo Methods
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Links to related conferences, Virtual Library: Random numbers and Monte Carlo Methods, papers, software, webpages, people. WWW Virtual Library: Random numbers and Monte Carlo Methods. - Generators Random Bots
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Generators for random number samples, Bots, random selection and random check number audits. Windows software for on-line purchase. Random Bots. - HotBits HotBits: Genuine Random Numbers
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HotBits is a service which generates random data from the decay of radioactive material and sends it over the internet. HotBits: Genuine Random Numbers. - True Random.org - True Random Number Service
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True random number generator with CORBA and WWW interfaces. True Random Number Service. Numbers are generated with atmospheric noise. Source code for many clients (Java, Perl, and C++) online. Random.org - True Random Number Service. - By Demo Fortran90 Multilayer Perceptron Backprop Code
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By Phil Brierley. Fortran90 Multilayer Perceptron Backprop Code. A genetic algorithm code is at http://www.philbrierley.com/main.html&code/gafortran.html&code/codeleft.html . Demo Fortran90 Multilayer Perceptron Backprop Code. - Fortran Multivariate Normal and Multivariate t Integrals Over Convex Regions
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Fortran 90 code by Paul N. Normal and Multivariate t Integrals Over Convex Regions. Somerville, appearing in the Journal of Statistical Software volume 3. Multivariate Normal and Multivariate t Integrals Over Convex Regions. - Lecture Design and Analysis of Computer Algorithms
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Lecture notes; applets and code in C, and Analysis of Computer Algorithms, C++, and Java; links regarding books, journals, computability, quantum computing, societies and organizations. Design and Analysis of Computer Algorithms. - Electronic Priority Queues
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Electronic bibliography on priority queues (heaps). Queues. Links to downloadable reports, researchers' home pages, and software. Priority Queues. - Alexa: Pseudorandom Numbers Algorithms

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