MathConsult GmbH - Software company developing customized numerical software for engineering and finance. Adept Scientific - Offers a broad range of personal computer products for mathematical, scientific and engineering applications. Applied Analytic Systems - Consulting and software development firm specializing in operations research, statistical, and artificial intelligence applications. CenterSpace Software - .NET numerical analysis. NMath products contain C# interfaces to BLAS and LAPACK, random number generators, anova, regression, probability distributions, sparse matrices, hypothesis tests and descriptive statistics. Evaluation versions available. Rogue Wave Software - Provider of a wide-range of components for the cross-platform C++ market including mathematical, financial and statistical class libraries. Numerical Algorithms Group (NAG) Ltd. - Develops and provides software to solve complex mathematical problems. Free bimonthly electronic newsletter. Hermetic Systems Software Programs - Develops Windows programs, covering several areas of application, including calendar date conversion, encryption and mathematics. Downloadable trial versions available. Chartwell-Yorke - 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. MathResources, Inc. - Makers of MathResource, the interactive version of The HarperCollins Dictionary of Mathematics by Borowski and Borwein, MathPoints, and MRI Graphing Calculator. Runiter Company - Developer of an A&G equation grapher, a smart math calculator, a 3D graphing calculator, a statistics problem solver and a calculus problem solver. Poly Software International - PSI-Plot and ProStat statistical and graphics software for purchase. Aptech Systems, Inc. - Produce a data analysis environment based on the GAUSS Matrix Programming Language and other data analysis tools. Advanced Visual Systems - Data visualization, perceptual computing, complex data analysis, technical and engineering problem-solving. Includes list of products and information about the company. Phaser - A universal simulator for dynamical systems. Optomatica - A consulting company offering agent-based modeling and optimization services. Aepryus Software - Mathematics, Physics and Evolutionary Biology. Codemist Ltd - Software provider in compilers and symbolic computation. The main products are the Norcroft C compiler and the computer algebra system Reduce, together with the Lisp system CSL/CCL. Demo versions available free for download. MathPad Software Corp. - Online mathematical tools including curve plotting and fitting, with applications in thermodynamics and chemistry. Systat Software Inc. - Offers programs for interpreting statistical data, curve fitting and signal analysis. Includes support links and product information. Lyryx Learning Inc. - Specializes in the design and development of tools to deliver online educational content and assessment. Also offers own online courses in business mathematics, financial accounting, and linear algebra. Hermetic Systems - Mathematical software dealing with prime numbers and factorization. Quasinewtonian Technologies - QNT is a Canadian software company with a special interest in mathematically and numerically intensive applications. Ziena Optimization Inc. - Nonlinear (NLP) solver with interfaces to most modeling languages. Consulting for problem formulation and training are also available. Harmonic Software - Makers of interactive analysis and visualization software. Dew Research - Developer of optimized mathematical software libraries for advanced scientific computing. Numerical, statistical and digital signal processing libraries for Win 32 and .NET. Object Based Advanced Computational Solutions - Offers Scinet Math, a numerical software library for the Microsoft.NET platform, and Scinet Chart, a flexible charting component to create 2D and 3D plots of numerical data and mathematical functions. Trial version available to download.