Math

The Chemical Casting Model (CCM) generation method is demonstrated with a Java Applet. Source code and description of algorithm included. (English/Japanese) [JRE required for Applet only].

An introduction, with algorithms for generating odd, and doubly even (4k) squares. References.

Java applet generates odd ordered squares, with options to transformations by rotations and reflections. Source code provided.

Try to put 8 queens on an 8x8 square such that the queens sit on prime numbers. Readers' solutions provided.

Joseph Myers and John Berglund found a polyhex that must be placed in two different ways in a tiling of a plane, such that one placement occurs twice as often as the other.

Tiling a square without cutting it into two.(Problem of the week 826, Spring 1997)

Polyform puzzle lessons for math educators to use with their students, including polyominoes, supertangrams, and polyarcs.

A list of constants with links to more detailed information.

Pictures of some concrete tilings.

With interactive demos using Geometer's Sketchpad (requires Macintosh).

A Java applet which shows interactive wallpaper patterns.

On the occasion of the Third European Congress of Mathematics. Barcelona, 10--14 July 2000.

Research Institute for Mathematical Sciences, Kyoto, Japan.

AT&T Laboratories, Murray Hill, NJ.

Centre de recherches mathématiques, Montreal, Canada.

Oberwolfach, Germany.

Nonprofit research institute devoted to mathematics, dynamical systems theory, chaos theory, applications, and education. Santa Cruz, CA, USA.

A collection of everyday use calculators and converters written in Javascript and PHP, available to use and download.

Scientific and engineering calculator for Windows.

Computer algebra mathematics software (Derive 5 and LiveMath), Autograph for plotting, coordinate geometry and single variable statistics, Cabri-Geometre II dynamic geometry software, Fathom dynamic statistics, MathType equation editor.

Software for graphing equations and data. Supports multiple curves as well as parametric graphs. Plus version can graph multi-color contour lines.

A free XLL Excel Add-in written in C and C++. It provides 5 Excel functions to perform 1D, 2D, 3D, 4D and any dimension interpolation from scattered data.

A package for polynomials, polynomial matrices and their application in systems, signals and control. [commercial]

A MATLAB toolbox for auditory modeling.

[free] Functions for inference and learning in various static and dynamic probabilistic models such as hidden Markov models, linear dynamic systems, Gaussian mixture models, and factor analyzers.

Offers functions for estimating parameters of multivariate autoregressive (AR) models, diagnostic checking of fitted models, and analyzing eigenmodes.

Source code and documentation for contributed packages, some included with Maple, some still under text. Includes algcurves, diffop, kovavicsols.

A utility that parses Mathcad's MathML output into LaTeX.

An electronic newsletter written specifically for the Mathematica community.

This site provides information about Stephan Kaufmann's Mathematica books, notebooks and packages.

Supplementary help browser.

A collection of Mathematica v.2 routines by Peter Olver.

Magazine of the MuPAD Research Group devoted to MuPAD, teaching with MuPAD, and mathematical research.

A public-domain collection of over a thousand bit-mapped, 12-point, transparent GIFs of mathematical letters and symbols, suitable for display on a web page.

The institute has a strong focus on Bayesian statistics.

Builds scientific models by a process that optimizes each of the inferences that are made by a model, thus producing the maximum possible knowledge from fixed resources.

International Research Forum on Statistical Reasoning, Thinking and Literacy.

Membership information, publications, meetings, jobs, other resources.

Promotes the development of statistical theory and its applications, and acts as a link between statisticians and others working in different fields of statistics and research. In Finnish and English.

Statistician interested in statistical models and analysis of complex biological data, e.g. DNA Arrays, Mutational Spectra.

Statistical analysis of genomic and physiological data. Copies of papers on statistical methods of data analysis.

UCL Networks research group. Research interests: Stochastic networks, large deviations, internet pricing.

Assistant Professor of Econometrics at the University of Brescia, Italy. Includes resume, research interests in financial and computational econometrics, and publications.

Statistical software, including MVSP, Oriana, XLSTAT, Simstat and Data Desk.

Product information and technical support for the statistical analysis and viewing software.

Analysis tool developed by Dr. Forrest Young at UNC-Chapel Hill. Focus: visual analysis of data in a Clementine/Intelligent Miner workflow GUI. Includes Multivariate and Univariate Analyses. [Open Source]

Two programs to help researchers study data clustering algorithms: clusgen generates artificial data sets and cluscomp compares partitions of a data set.

Provides functions and interactive tools for analyzing historical data, modeling data, simulating systems, developing statistical algorithms, and learning and teaching statistics.

Package to analyze data from complex samples, especially large-scale assessments. Available for free from the American Institutes for Research. Download, support (software, database), manual, registration.

Software for statistical power analysis and to calculate sample size and effect size for scientific research studies.