 Behavioural Calculus  Orfeo Bernardo
Behavioural Calculus with Analytical and Visual 3Space, designed for Windows 98 or better. Site also includes promotional freeware; registration required. If site does not load, try using Internet Explorer.
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 Bell Package  Jacek Kisynski
This package provides functions which are useful while dealing with set
partitions. We provide (hopefully) fast methods for sets of size up to 15
and methods with no set size restrictions which use BigInteger objects. The
later ones are constrained
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 BenfordWiz
Software that produces Benford numbers that obey Benford's Law. Hexagonal and octagonal numbers are also included in the data sets.
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 Benoit Fractal Analysis System  TriSoft International, Inc.
Windows fractal analysis software that enables you to measure the fractal dimension and/or Hurst exponent of data sets using a choice of method(s) for analysis of selfsimilar patterns and selfaffine traces. A white noise filter (Fourier or Wavelet)
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 BetaMaths Software  Anthony Healey
Free Windows Vista or XP times table software, also available in French. The author writes: Software to learn the times tables. You can set addition, subtraction, number bonds, multiplication and division exercises at home, with no worksheets to print
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 Biased Rectangles?  Carol Hattan et al., Park City Mathematics Institute
This classroom activity, a PCMI Resource for
Teachers, is an adaptation of a lesson from the NCTM Navigating through Data
Analysis in Grades 912, chapter 1, to be used with Fathom© rather than a
graphing calculator. The original "100 rectangles"
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 The Big_Number Page  Jerome Delcourt
Libraries written in the Ada programming language for computing large numbers (mainly large integers) greater than the predefined numerical types.
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 BigInteger Arithmetic in BASIC  Sjoerd J. Schaper
A small but complete, free, open source, large integer/big number library in Basic code. Developed under QuickBasic for speed, but just as easily used with Visual
Basic for Win. Some QB number theory sample modules are added, as well as a VBwin cryptographic
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 Bill Cutler Puzzles  Bill Cutler Puzzles, Inc.
Wooden puzzles for sale: six piece burr puzzles, rectilinear burr puzzles, nonrectilinear burr puzzles, boxfilling puzzles, and miscellaneous puzzles. The computer program BCPBOX solves boxpacking problems such as pentominoes; GENDA determines how
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 BNALib, A Visual Basic Numerical Analysis Library for Personal Computers
 C. David Eagle, Jr.
The BNALib software package, provided in source code form, is a toolbox of subroutines, functions, and demonstration programs that provide numerical analysis computing capability for Visual Basic programmers. Each numerical method is a digital computer
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 Bonsonhos HomePage  David Salvado
See and learn about trigonometry with the freeware program Círculo Trigonométrico 2.0. Also a way of calculating Pi. Veja e aprenda o que é a trigonometria com o programa freeware Círculo Trigonométrico 2.0. Aprenda
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 Bounded Set Theory  Vladimir Sazonov
Bounded Set Theory (BST) is a weak version of the ordinary set theory. Its main feature is paying main attention to using bounded quantification (as in the ordinary everyday mathematical practice) and other analogous bounded constructs. The language of
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 Boxplots in Excel  Neville Hunt, Coventry University
A method for using Microsoft Excel to create boxplots, or box and whisker diagrams, which provide a simple graphical summary of a set of data. Boxplots show a measures of central location (the median), two measures of dispersion (the range and interquartile
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 Break Your Record for 100 Math Tables  Keiya Kanno
Practice addition, subtraction, and multiplication in these 10 by 10 tables: downloadable Flash shareware software for Macintosh OS X / Windows 2000, XP. Time and score are recorded automatically, recording up to 8 different users.
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 Brendan McKay
Software includes nauty, a program for computing automorphism groups of graphs and digraphs, which can also produce a canonical labelling; and plantri, a program for generating planar triangulations. Also, skeptical treatment of claims made of miraculous
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 Bright Ideas Software
Bright Ideas Software was formed in 2001 with the goal of producing high quality educational software for the college and university market, with particular focus on graphical visualization tools for the physical sciences. We are located in Southeast
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 BR Solutions
An Icelandic company providing modeling and optimization software to businesses. Most products are specifically aimed at fisheries. Site is also available in Icelandic and Norwegian.
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 Byte Works, Inc.
Developers of the apps iPhone Calculator, a scientific/logic/conversion calculator; and techBASIC, which takes advantage of the iPod's, iPhone's, and iPad's builtin accelerometers, gyroscopes, or magnetometers to collect information, process it with
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 CAD/CAM Developer's Kit C Function Libraries  John Keklak
The CAD/CAM Developer's Kits support very fast and reliable algorithms for
boundary offset, area fill, pocketing and area booleans. The offset
algorithm is an alternative to the Voronoi approach, and in many real world
cases is much faster and reliable.
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 CaEst 1.2  Juan M. Lejarza
La primera versión modificada de un programa de Cálculo Estadístico. Abarca el cálculo de medias, varianzas, asimetría,
curtósis, índide de Gini, regresión de una o varias variables, cálculo
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 Calc 360  Numerant, LLC
Calc 360 is a free, simple, and powerful calculator for your PC. Some of its main features include: adjustable precision, calculation history window, custom variables, loading and saving of calculations and more...
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 CalculateHours  Molly Parker
This online time card calculator calculates hours worked. Add the widget to your site by copying the code provided. Training sessions teach how to use Excel to add up hours, average hours, and convert decimal hours or military time into conventional hours.
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 Calculate the Distance Between Two Places  infoplease.com
How far is it from one place in the U.S. to another? As you type, this form automatically completes the names of populated places, schools, "locales," parks, islands, bars, lakes, reservoirs, bays, gaps, dams, glaciers, streams, wells, mines, bends, valleys,
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 A Calculator
JavaScript calculators: the four basic operations, average, arithmetic congruence, greatest common divisor (GCD), least common multiple (LCM), radical simplifier, word converter that writes out numerals, and more.
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 Calculator Directory  ArsRef LLC
Commercial calculating software arranged by category. One page of free online calculators.
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 Calculators By Ken  Ken Prentice
Calculators for Windows that convert between different units, create calendars, perform basic physical computations, and more. Read descriptions, or download sample programs.
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 Calculus I: an Electronic Book Using LiveMath  N. Scott Hoffner
Free calculus book with interactive LiveMath examples. It is the shortened version of a PDF book available on Amazon.com and the LiveMath web site.
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 Calendar Math  Kees Couprie
Algorithms for converting dates from one calendar to another and for calculating the dates of (religious) events. Also an Excel AddIn available for download.
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 Calendrical Calculations  Nachum Dershowitz and Edward M. Reingold
A book about the algorithms used to calculate different calendars (Gregorian, Julian, Mayan, Hebrew, Persian, and more.) The preface, table of contents, index, and a sample chapter are available in PDF and PostScript formats. Other book resources include
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 CAMEL  Canadian Mathematical Society / Société mathématique du Canada
The bilingual (English/French) Web service of the Canadian Mathematical Community, with links to the Canadian Mathematical Society (CMS), the International Mathematical Olympiad (IMO), the European Mathematics Information Service (EMIS), the Société
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 C.a.R. Geometry Program  Rene Grothmann
A dynamic geometry program that simulates constructions with a ruler and compass (Compasses and Ruler). C.a.R. runs on Java as a local application, with Java Web Start, or as an applet in browsers. The free and open source program includes documentation
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 CARTESIO  Camillo Trevisan
An educational computer graphics program for Windows and Macintosh, providing an understanding of the geometric configuration of projections (for example, the positions of the projection plane and viewpoint relative to the Cartesian axes).
All projection
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 Casio Kingdom  Sean Tan
CFX9850 games and programs. A game and several programs, including: Sphere (solves where a point is in relation to a sphere, whether it lies outside, inside or on the sphere); Divide (finds the position vector that divides vector AB in the ratio a:b);
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 CelLab  Rudy Rucker and John Walker
Programs to explore cellular automata, for Windows or MSDOS, which allow you to view preset patterns, or create your own rules using Java, C, Basic, or Pascal. Download a copy or subscribe to a mailing list. The substantial User's Manual includes bibliographies
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 Cellular automata and Neural Nets in Basic  Sjoerd.J.Schaper
Some QBasic/FreeBasic programs for graphs, cellular automata and neural
networks. Grids.zip package contains sources, input files and win32
executables. Page contains selected links for further enlightenment.
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 Cellular Automata Miscellanea  José Manuel Gómez Soto
Cellular automata theses, reports of summer research, working papers, lectures, and articles, some in Spanish, many by Harold V. McIntosh. Also, download the CAM/PC exerciser CAMEX and a program collection of NXLCAU, the Linear Cellular Automata for NeXTSTEP.
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 Cellular automata simulator for a *nix platform  Igor Serikov
Key features: declarative input language for rules and for initial patterns definition; ability to emulate Conway's Life Game via proper rules specification; ability to demonstrate self replicating loops; total number of rules can be substantially decreased
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 Center for Geometry Analysis Numerics and Graphics (GANG)  Dept. of Mathematics & Statistics, Univ. of Massachusetts, Amherst
An interdisciplinary Differential Geometry research team. The GANG Geometry Archive is an online library of papers, preprints, images, animations and software connected with their research. The Library includes: Knot (energyminimizing knots and links);
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 Center for Science & Mathematics Teaching (CSMT)  Tufts University
The Center, directed by Ronald Thornton, develops curricula, activities, and computer tools which allow students to participate actively in their own learning and to construct scientific knowledge for themselves, learning directly from the physical world.
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 Center for Technology and Teacher Education  Curry School of Education, University of Virginia
An interdisciplinary group that develops materials to prepare teachers to use technology to enhance and extend students' learning of mathematics. This site offers activities using graphing calculators, The Geometer's Sketchpad, Microsoft Excel, the ExploreMath.com
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 CFD Online (Computational Fluid Dynamics)
CFD Resources Online (a comprehensive collection of annotated links to information related to CFD, in particular software and publications); CFD Jobs Database (a forum where companies and universities can advertise open positions in CFD); CFD Online Discussion
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 CGAL  Computational Geometry Algorithms Library
The CGAL project is a collaborative effort to develop a robust, easy to use, and efficient C++ software library of geometric data structures and algorithms. Manual, supported platforms, download, patches, user support; also publications, extension packages,
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 Chaos and Fractals  ThinkQuest 1996
Chaos is an advanced field of mathematics that involves the study of dynamical systems or systems in motion. Chaos Theory consists of the mathematical proofs and theories that attempt to describe processes in motion. Think of any
mathematical system
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 Chaoscope  Nicolas Desprez
Software to render 3D strange attractors such as IFS, Julia, Lorenz, and pickover. Browse the gallery, participate in the monthly contest, check the freeware's manual, learn from tutorials. Also available at http://www.btinternet.com/~ndesprez/.
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 Chaos Downloads (Chaos: The Software)  Gordon, Rucker, Walker; Autodesk, Inc.
A shareware release of James Gleick's CHAOS: the Software. Both the complete executable and the source code are provided. The program runs under Windows as a fullscreen DOS session. Six modules include the Mandelbrot set, Pendulum and Magnets, Strange
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 The Chaos Experience  ThinkQuest 96
An explanation of the basic principles behind chaos theory, and a demonstration of its use in everyday life.
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 The Chaos Hypertextbook: Mathematics in the Age of the Computer  Glenn Elert
Formerly titled "Chaos, Fractals, Dimension": an illustrated paper submitted for the author's M.S. in secondary science education from Columbia. Contains chapters on: Mathematical Experiments (Iteration and Orbits, Orbit and Bifurcation Diagrams, Universality);
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 Chaos Under Control  David Peak, Michael Frame; Union College, Schenectady, NY
Material designed to support the text Chaos Under Control (W. H. Freeman, 1994): Macintosh software; course syllabi; six labs exploring natural fractals, iterated function systems, dimension computations, onedimensional dynamics, fractal analysis of
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 chaotic nspace network  Jon Camp and Benjamin Martin
Fractals: an introduction, gallery of images, and evaluation of software for fractal creation, with links to download. Other mathematics resources include a brief introduction to the Fibonacci sequence.
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 Charlotte and the World Wide Web  Santrach, Carpenter, Young, Young; The Geometry Center
An introduction to the World Wide Web, its potentials, and links to some geometry software (The Geometer's Sketchpad, Tesselmania, Geometric Golfer, Kali, Kaleidotile), for secondary school educators. A final project created for Math 5337, Technology
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