Other K-12 Software Sites
The following are WWW links to sites which have a significant collection of mathematical software which can be used in the K-12 classroom. Also included are links to sites which contain information about such software.

Algebra - One on One
Algebra One on One is an educational game for those wanting a fun way to learn and practice Algebra. This program covers 21 functions (equations) which includes maximums, minimums, absolute values, averages, x/y, ax + b, axy + b, ax + by + c, squares, cubes, and so on.

The Algebra Word Problem Tutor
The Algebra Word Problem Tutor has been developed by members of the Anderson Research Group at Carnegie Mellon University in cooperation with the PUMP Algebra Project. The goal of the Algebra Word Problem Tutor is to help students to learn algebraic skills which they can use in the context of real-life problem situations.

AMATH - Pre-Algebra
AMATH is a complete, self-paced, computer driven, adult level course designed as an intervention device to help those who have completed the course work in K-8 math, but cannot do the work.

Artlandia
Artlandia provides the graphic design, mathematical hobbyist and educator's communities with easy-to-use tools for Programmable Creative Graphic Design -- implementing their proprietary algorithms, developed in-house and honed by a constant interaction with almost thirty textile manufacturers in the United States and abroad. Requires the use of Mathematica.

Attractors & Co
This software will enable you to discover and explore, in a modest manner, the endless and fascinating realm of strange attractors. Whether you are in search of a tool that will help you to understand some of these mathematical properties in a graphics oriented manner or an aesthete looking for new ways to create interesting graphics and pictures, this software is made for you !

Autograph
Autograph is a dynamic PC program operating in two modes
----- Graphs, coordinates and bivariate data
----- Single-variable statistics and probability
designed to help teachers and pupils visualise mathematics at secondary/college level, by drawing
dynamically linked 'objects'. Some of the features include solutions of differential equations, matrices, linear transformations, best fit curves, numerical integration, animations, and vectors.

AZ-MATH - University of Arizona
A large collection of MSDOS and Macintosh software packages written to be used in the teaching of college mathematics. The latter page contains information on the downloading of these packages and provides means for downloading the entire collection. These programs are also available through the Mathematics Archives (in zip format); the latter listing contains a short abstract of each program.

Berkeley Logo
Berkeley Logo is a freeware interpreter that Brian Harvey and his students wrote. Source code is available.
Mission Statement: Become the leading web site for providing free educational software for teaching students about math, physics, and engineering. Programs are available for Basic Arithmetic, Algebra, Trigonometry, Calculus, Statistics and Vectors.

Cabri-géomètre
Cabri-geometry is the product of research activity at the Université Joseph Fourier de Grenoble and at CNRS, in the laboratoire de Structures Discrètes et de Didactique. From the Mathematics Archives pages on Cabri-geometry: Cabri-geometre is an Interactive Notebook to Teach and Learn Geometry. With this package, you perform ruler-compass constructions and then pose questions. You can ask whether lines are parallel or perpendicular. You can compare measures of objects (area, length, angular measurement). An especially nice feature is the ability to move points used as references in constructions and the figure changes appropriately. With this you can examine the trace of a point to find the locus of points, say equidistant from a given point and a given line.

CABRI GEOMETRY II
The interactive software for Geometry - Alter geometric figures on the screen. Students can see patterns, make conjectures, and draw their own conclusions. Discover geometric dependencies in the figures students construct. Display the equations of basic geometric objects including lines, circles, ellipses, and coordinates of points.

CAIN: Computer Algebra Information Network
CAIN is a distributed information service dedicated to computer algebra. It is set up to disseminate computer algebra news, knowledge, and software among users in all scientific and technical disciplines. The nodes include:

CALMAT
CALMAT is a Computer Aided Learning system in MAThematics ( for PCs ), designed and developed by the CALMAT group at Glasgow Caledonian University. Topics include algebra, geometry, vectors, trigonometry, analytic geometry and calculus.

C.a.R. Geometry Program
C.a.R. is a program which simulates constructions with a straigthedge and compass (Compass and Ruler). It includes a macro language.

the CD-ROM SHOP
The CD-ROM SHOP is a vendor of CD's. They have a listing of mathematics CD's for both the Macintosh and IBM compatible computers. Many of the listings contain detailed information about the particular CD's.

Centre for Innovation in Mathematics Teaching
A collection of programs to be used in the teaching of k-12 mathematics.

Cinderellas Cafe
Interactive geometry on the computer. This German program, written in JAVA, can be used to generate dynamical geometry examples for the WWW.

Cognitive Technologies Corporation
Publisher of software: Pre-Algebra World-- Number Sense and The TRIG Explorer.

Colourful Mathematics
Colourful Mathematics is a series of educational mathematical games dealing with serious mathematical concepts, but geared toward students from a very early age. The three MSDOS programs are investigations of the Four Colour Theorem, the Chromatic Number of a Graph, and the Dominating Number of a Graph. These programs are also available from the Mathematics Archives

Converge Software
CONVERGE Educational Software for Algebra through Calculus (from JEMware) is highly graphical educational software that illustrates mathematical process. Converge has a great number and variety of menu choices designed to help students acquire a graphical and numerical understanding of fundamental math concepts, definitions, and principles.

Copyu
Copyu is an equation and data plotter.

DERIVE, A Mathematical Assistant
A computer algebra system for Windows.

Diagnosys
Diagnosys is the product of TLTP project number 17 based at the University of Newcastle upon Tyne with the collaboration of the other four North-East universities. The aim of the project was to produce a computer based diagnostic testing system for mathematics and other technical subjects.

DPGraph: Dynamic Photorealistic Graphing
Create beautiful, interactive, dynamic, photorealistic 2D, 3D, 4D, 5D, 6D, 7D and 8D graphs. Optimized for the internet. Used for pre-algebra, geometry, trigonometry and general physics, through multivariable calculus, field theory, quantum mechanics and gravitation. Use time and color as extra dimensions (to create motion or encode momentum, for example). Use the scrollbar to vary parameters in realtime, to slice through graphs, or to vary surface transparency. DPGraph graphs functions, equations, conic sections, planes, spheres, toruses, parametric curves and surfaces, implicit equalities and inequalities, volume intersections, volumes of integration, surfaces of revolution, equipotential surfaces, vector fields, and much more, in rectangular, polar, cylindrical, or spherical coordinates.

E-GEMS : Electronic Games for Education in Math and Science
The E-GEMS project is a collaborative effort by scientists, educators, and professional video game and educational software developers who have come together to do research on and develop teaching materials that integrate video games and computer-based explorations with existing classroom practices. The aim of this research is to increase the proportion of children in Grades 4-8 who enjoy learning, mastering, and using underlying concepts of math and science.

EcStatic statistical software
This statistical package will do Analysis of variance, Breakdown, Convert scores, Correlation, Crosstab/chi-square, Freq. distributions / histograms, Nonparametric statistics, Regression, Scatterplot, Summary statistics, Transformations, T-test. A demo is available for download.

Edu2000's Visual CD-ROM Series
The Edu2000 Visual Series unique blend of elements creates an exciting learning environment allowing students the opportunity to explore and appreciate mathematics. This full curriculum content demonstrated using real life examples enhanced with leading edge technology serves as the foundation for these very powerful learning tools. Utilizing the popular HTML format, extensive QuickTime and 3-D animation as well as experimental Java applets help the student discover and understand the fundamental principals of mathematics. Products include Visual Plane Geometry and Visual Solid Geometry.

Educational Software Institute
Educational Software Institute's resource guide of mathematics software for K-12.

EduMaths
EduMaths is a concept and a professional mathematical computer courseware tuition system which covers the whole mathematical educational process, from preschool to postschool. Modules are designed with varying degrees of difficulty. Students are allowed to advance only if they have mastered a particular module of a subject. The package is concentrated on the South African syllabus from Grade 1 to Grade 12.

EUKLID
EUKLID is a software about dynamic geometry. You can create geometrical constructions on the screen just the way you do it on a paper. But afterwards, you can take i.e. a basic point of your drawing and drag it to another place - and the geometrical relations between all objects is preserved.

FinLib
FinLibTM is a library of routines that will assist you in performing financial computations from all Basics including Power Basic, Quick Basic and Visual Basic.

FracGen
FracGen is a freeware program for Windows 3.1 (runs on all other windows ersion too) to create fractal images. Some of the features are Two dimensional Iterated Function Systems up to 25 transformations, Lsystems for up to five nested generators, Complex polynomials up to seventh order, etc.

Fractint
Fractint is a freeware fractal generator created for IBMPC's and compatible computers. It is the most versatile and extensive fractal program available for any price. This page will provide you with any information you would want to know about fractint and the fractals which can be generated with this program. An online manual for fractint is available and examples of many images generated by fractint are provided. Fractint is also available on the Mathematics Archives.

France and Associates - Software Library
Publisher of software for K-6. Titles include: Fastball Fractions and Instant Math Series. Demos are available for download.

FUNdamentallyMATH
FUNdamentallyMATH is a comprehensive program that advertises that it covers everything in the K-12 mathematics curriculum except calculus.

Future Graph, Inc.
Future Graph, Inc. is the publisher of f(g) Scholar, software for Math, Science and Engineering. It combines the functionality of a graphing calculator with that of a complete spreadsheet.

GraphWindows
GraphWindows is a DOS-based program for graphing functions of the form y=f(x), polar functions of the form y = f(t), and parametric equations of the form (x, y) = (f(t), g(t)) in an xy-coordinate system. The equation editor is intuitive. The program supports zooming and scrolling and the composition of user defined programs

Gus and Gertie's Graphin' Gadget
Gus and Gertie's Graphin' Gadget (G&G for short) is a program for the PC that combines the functions of a graphing calculator with a simple, flexible interface.

Howe-Two Software - Software Solutions for Mathematical Instruction
Written by a high school teacher and used extensively in a high school lab, the titles in this software collection include: Pre-Algebra I & II, Algebra I, II, III, & IV, Geometry, Advanced Math, Extras: The Neat Stuff and the Quiz Collection. A demo of the programs can be downloaded.

Hungry Frog Game Series
In this series there are three mathematics games. Math I teaches basic counting skills to children ages 3 and up (enumeration of objects). Math II teaches the sequence of numbers on the integer and whole number number lines. In Math III you can practice addition and subtraction using positive or negative numbers, multiplication, division and even absolute value equations.

The Image Warper
The Image Warper is a program that supports exploratory learning and enjoyable activities involving geometric transformations and image distortion.

InfoMath
InfoMath is a publisher of educational mathematics programs which include: MathTutor5, Math Tools and Finderz-Keeperz.

Intelligent Tutor Math Educational Software
INTELLIGENT TUTOR MATH EDUCATIONAL SOFTWARE, programs for Grades 7-12 math, has three components - the CONCEPTS AND SKILLS SERIES, the PRACTICE AND REVIEW SERIES, and the SPECIAL TOPICS SERIES.

Interactive Mathematics
INTERACTIVE MATHEMATICS is a new series of college-level, interactive multimedia courses being developed by Academic Systems in collaboration with faculty from colleges and universities around the country. Interactive Mathematics is also the first series of courses that take advantage of an advanced computer-mediated instructional approach, called Mediated Learning, which provides a faculty-guided, learner-centered environment for improving student academic achievement. Each course in the Interactive Mathematics series provides comprehensive mathematics instruction using an engaging and challenging interactive multimedia environment.

International Education Software
This site is for all students, teachers, and reseachers interested in mathematics. IES inc. was established by people involved in mathematics education. We deal with research, development, import, and sales of software for mathematics education.

JavaSketchpad is a new web technology which permits authors, teachers, artists, curriculum developers, researchers, and all other geometry fans to publish dynamic geometry illustrations directly in their web pages. More technically JavaSketchpad is a Java applet which displays sketches developed using Geometer's Sketchpad desktop software (available from Key Curriculum Press for Macintosh and PC) directly on the web. Anyone with a Java-capable web browser can then dynamically explore the sketches you've created, without requiring access to Geometer's Sketchpad.

Kemeny-Kurtz Math Series
Software packages published by True Basic; series includes Algebra, Algebraic Proposer, Discrete Mathematics, MacFunction, Pre-Calculus, Probability Theory

Key Curriculum Press
Key Curriculum Press is a publisher of many software packages for mathematics education including The Geometer's Sketchpad(r) and TesselMania!(TM).

Contains mathematics programs, free and commercial demos, which can be downloaded. Descriptions provided.

KSEG
KSEG is a Linux program for exploring Euclidean geometry. You create a construction, such as a triangle with a circumcenter, and then, as you drag verteces of the triangle, you can see the circumcenter moving in real time. Of course, you can do a lot more than that-see the feature list below. KSEG was inspired by the Geometer's Sketchpad, but there are plans to go beyond the functionality that it provides.

kSoft, Inc. - Graphmatica
Graphmatica is an easy-to-use, powerful equation plotter. It supports 5 types of graphs (including polar, parametric and inequalities), unlimited graphs on screen at once, saving setup and lists of equations, and several ways to resize the grid. It offers flexible grid labeling, on-line help, and demonstration files. Graphmatica is also available from the Mathematics Archives.

Lascaux Graphics
Lascaux Graphics offers software, video tapes, etc. "For people who love mathematics." They are the publishers of f(z), Fields&Operators, Models, and 4-Dimensional Hypercube.

Learning in Motion
Learning in Motion is a publisher of innovative software for K-12 education. This WWW site provides information about the products of Learning in Motion and a collection of links to various educational WWW sites.

The Learning Box
The Learning Box publishes Elementary Mathematics software for students K - 5. Two of the series of packages include The Manipulative Math Series and The Math in Context Series which consists of NCTM Standards based programs for students K - 5.

Leibniz
Leibniz is a graphical front end to Mathematica which allows you to type mathematical text and carry out calculations using a simple, drag and drop style of expression manipulation. Leibniz is a mathematical word processor: it allows you to quickly and easily type text and structured mathematical expressions. You can launch calculations from within Leibniz by selecting an expression to evaluate and hitting enter, or by selecting a portion of an expression and dragging it around the expression to launch a calculation.

LF Software
Tutorial software in Mathematics. Titles include: Fractions Made Easy, Basic Math for Windows, Algebra I for Windows, Algebra II for Windows, Geometry for Windows, Trigonometry for Windows, Basic Math for Dos, Introduction to Algebra for Dos, Algebra II for Dos

Math Teaching Assistant
Primarily for K-12.

Math.Ass(ist)
Math.Ass(ist) is for secondary level or high school students and teachers and anybody else who has anything to do with mathematics. Math.Ass(ist). helps in solving most of the tasks of: Algebra, Geometry, Analysis, Stochastics, Linear Algebra

Mathcard
Written by a former elementary school teacher, Mathcard is a fun and easy to use concentration-style game. The purpose of the game is to help students learn the answers to simple math problems.

MathHelp
MathHelp is an authoring tool for making a certain form of mathematics tutorial program that is called a problem set. There is an instructor versionto create the problem sets and a student version to use them.

Math League Multimedia
Publisher of software: Middle Grades Math - Level 1 is their program which is designed to sharpen the math skills of 6th grade students and which contains over 5000 practice problems.

Mathematica for K-12
This page, maintained by Wolfram Research, Inc., provides information on the use of Mathematica in the high school. Included are links to sites which have courseware and publications on the use of Mathematica.

Mathematics Library Plus
Mathematics Library Plus is published by Aces Research, Inc. and consists of tutorial software on CD's; topics include Algebra, Calculus, Statistics, Geometry, and Trignometry. Each CD-ROM title is a step-by-step and easy-to-follow interactive tutorial for students from high school to college levels. A comprehensive self study guide with online text references and a useful resource for pre-test practices. Each math subject contains hundreds of problems ranging from easy to difficult and come with interactive hints and solutions. Each listing explains the fundamental principle(s), corollaries of the equation and its sample usage.

Mathematics TestBuilder
Authoring tool for the creation of tests from Basic Math to Calculus.

Mathematics Worksheet Factory
With Mathematics Worksheet Factory Deluxe you can create math worksheets that provide practice in addition, subtraction, multiplication, and division with up to 6 digit numbers, decimals, and currency. The Deluxe version also includes a Magic Squares worksheet generator.

MathMaker Fonts
Fonts developed by Mountain Lake Software, Inc. for mathematical symbols to be used on macintosh computers.

MathPad is a general purpose graphing scientific calculator. It uses text input rather than simulating buttons on a hand held calculator. This live scratchpad interface allows you to see and edit your entire calculation. Formulas can be entered directly and different values can be plugged in for easy "what if" calculating. In addition to being a handy little calculator, MathPad can also take on larger problems. Simple plotting allows quick visualization of results. General purpose arrays allow calculations involving vectors, complex numbers, matrix algebra etc. 2D arrays can be displayed as grayscale or color images. MathPad runs on a Mac Plus or higher with system 6 or system 7.

Mathpert Assistants
Mathpert is the publisher of Algebra Assistant, Pre-Calculus Assistant, and Calculus Assistant. These programs contain an expert system capable of solving ANY math problem the same way people do: step-by-step. Demos of the software are available.

mathResources, Inc.
mathResources, Inc. publishes interactive math teaching and learning tools on CD ROM. Currently they offer an interactive math dictionary with a maple kernal attached.

MathSoft
MathSoft, Inc. isthe developer of the technical calculation application Mathcad, as well as developer and provider of a variety of other software tools for users of PCs, Macintosh computers, and UNIX workstations. This site provides product information, tools and information to help one work more efficiently and creatively with MathSoft products, and links to interesting sites in the rest of the technical and mathematical community.

MathWare
MathWare sells and provides information on mathematics packages including Derive, GyroGraphics, and AcroSpin.

Mathwise
Mathwise is an integrated learning environment for teaching undergraduate mathematics. It comprises mathematical and application modules, reference material, assessments and resource tools. These are integrated by a Courseware Management System, which handles cross referencing between the different components of the system. Mathwise modules are based on the SEFI (European Society for Engineering Education) syllabus, comprising mathematical topics taught in pre-university and first year university, together with a number of key topics in second-year university Science and Engineering courses.

Mathwright Library
The Mathwright Library is a collecion of Mathwright Books which have been produced by the authoring system, Mathwright. This WEBsite makes available for downloading a Mathwright Library Player which may be used as a viewer for the WorkBooks in this Mathwright Library. However, it is capable of reading only the WorkBooks supplied through this WEBsite. There is a commercial version of Mathwright Library Player which has many additional features. Among the many topics covered in this library are Area Between the Graphs, Bernoulli Trials, Chaotic Pendulum, Curves in Art and Nature, Difference Equations, Dynamical Systems, Eigenvector, Factoring Polynomials, Golden Ratio, Lunar Lander, Matrix Calculator, Periodic Functions, Pool Game, Polar Graphs, Space Filling Curve, and Work Problems.

Mighty Math Series

Milliken Publishing Company
Publisher of educational software including the mathematical software Math Sequences (grades K - 8) and WordMath (grades 2 - 8).

Moogie Math
Education Software designed exclusively to prepare students for the Ohio Ninth-Grade Math Proficiency Test.

MTESTS
MTESTS is a LaTeX based testing and cooperative learning system for mathematics. It is a system for storing test/exam questions in item banks from which tests can be automatically set. It contains a question generator which creates variations of questions and these are permanently stored in the item banks. It sets individualised tests (no two the same) and as many as you want. This is the basis of the highly successful cooperative homework method from which MTESTS was developed. The resources of the system (questions stored in item banks) can be collectively expanded by all users of the system, and very rapidly become enormous. The program has import/export options.

Neufeld & Associates
Publishers of The UNDERSTANDING MATH Programs, collection of programs for interactive learning for grades 6-10. Topics include algebra, equations, exponents, geometry and integers. Software is available in both English and French. Demos are available. The company also provides lessons plans related to these packages and organizes workshops.

NonEuclid : Software for Exploring Non-Euclidean Geometry

OzMATH
OzMATH is a library of Mathematica Notebooks and utilities designed to enhance the learning of mathematics and its applications. It aims to cover a wide range of topics in undergraduate mathematics. Mathematica in Calculus 1 at the University of Tasmania is an article by Michael Bulmer about the way OzMATH Notebooks are used in an otherwise standard calculus course.

The Quarter Mile Math Games
Award-winning math software for students of all abilities kindergarten through pre-algebra. These fun and exciting programs are perfect for home, school and homeschool use. Plus, people of all ages are now competing in international math tournaments using special tournament versions of these unique software programs.

Peanut Software for Windows
A collection of programs writtten by Rick Parris at Phillips Exeter Academy.

Personal Algebra Tutor, PAT
PAT is the Algebra software that DOES Algebra, that solves problems that you enter step-by-step and explains the steps. The explanations use the exact equations, coefficients, and variables of the students problem.

PixelGraphics Math Strategies!
Math Strategies! is a new educational software program that combines the action of Nintendo with basic math concepts. Aimed at children 5 and older, it guides children through problems in addition, subtraction, multiplication, division, and number recognition. Students run, shoot, and blast to get through a series of obstacles. As they solve each math problem, the correct answer displays in words and as a math equation.

Pre-Engineering Software Corporation
The goal of Pre-Engineering Software Corporation is to develop and produce teaching tools for middle and high school that introduce students to the adventure of solving true-life engineering problems while reinforcing their math and science skills.

Rotater
A Macintosh Program (68K/FPU/PPC versions) for rotating user specified points and lines in 3D in real time with stereo options. Source code is available. An MSDOS version is available at a different site.

Shapescape
Shapescape is a 32-bit Windows program that allows various 3D shapes, polyheda, to be created and then flattened so that a pattern can be printed to make a model of the polyhedron.

Solutions
Solutions is a symbolic mathematics software built for engineers and scientists. Solutions will provide you with 20 classes of functions from Algebra to Statistics. It will plot and print your work. You can even program it if you need more power!

Speech Recognition and Mathematics
Metroplex Voice Computing (MVC) is a leader in speech recognition programming. Their speech recognition software products are designed to operate strictly by voice, without needing the keyboard or mouse. Packages include ArithmeticTalk, MathTalk, MathTalkPro, MathBrailleTalk, VoiceEZcalc and VoiceEZcad.

Stanford Testing Systems, Inc.
Stanford Testing Systems, Inc. is the publisher of software to help prepare students for various standardized tests including SAT, ACT, GRE, LSAT, MCAT, GMAT, TOEFL and MAT. In addition, the practice test for SAT is available online together with review lessons.

StarLogo
StarLogo is a programmable modeling environment for exploring the behaviors of decentralized systems, such as bird flocks, traffic jams, and ant colonies. It is designed especially for use by students.

Stella
STELLA II-is a powerful and flexible package for building and simulating models of dynamic systems and processes. Using a simple set of building block icons, you can construct a map of a process or issue of any kind. The diagram automatically generates equations, used for simulation, allowing you to bring your map to life. Output can be viewed as graphs, tables, diagram animation or QuickTime movies.

Stickybear Software - Math Town
Stickybear's Math Town provides comprehensive practice to help children achieve mathematics expertise! They gain proficiency not just in addition, subtraction, multiplication and division, but in life skills word problems as well. Six unique Math Town locations serve as the background for real-life math problems, and six levels of difficulty keep the activities challenging. Stickybear's Math Town is bilingual, as well, so youngsters can develop skills in English and Spanish.

StudyWorks!
Covers algebra, geometry, trigonometry, precalculus, calculus, and statistics. Contains step-by-step tutorials, contains a calculator that performs numeric and symbolic calculations, plots and animates graphics, and creates documents. Also provides a connection to the WWW.

SureMath
SureMath is a simple symbolic algebra program in which you can enter problems and equations in what looks and feels like a word processor. The capabilities of the program include a wide range of symbolic operations which include many of the more common operations from Algebra, Trigonometry, and Calculus. In addition, the program has graphing capabilities.

Symbolic Net
Symbolic Mathematical Computation Information Center - The area of symbolic and algebraic computation (SAC), also known as computer algebra (CA) in some circles, aims to automate mathematical computations of all sorts. The resulting computer systems, experimental and commercial, are powerful tools for scientists, engineers, and educators. SAC research usually combines mathematics with advanced computing techniques.

Symmetric Chaos QuickBasic Programs

Teachers' Choice Software
Publisher of educational computer software for high school students. Two of the packages are Maths Helper, used for graphing and statistics, and Algematics, used for demonstrating and solving algebra problems.

Techexplorer
Techexplorer is a plug-in for Netscape and Microsoft internet browsers that enables the use of TeX, LaTeX and MathML to display mathematical symbols.

TeXaide
TeXaide is a special version of MathType's Equation Editor that generates TeX using MathType 4's TeX translator technology. The program is FREE.

3D-Filmstrip
3D Filmstrip is a mathematical visualization program for Macintosh computers.

The Transform Programmer
The Transform Programmer is a package of programs which work together to support exploratory learning and enjoyable activities involving geometric transformations. The Transform Programmer consists of three main parts -- (a) an image processing and display subsystem called the "METIP Programming Environment," (b) a programming language interpreter, in this case, the XLISP-STAT system of David Betz and Luke Tierney, and (c) a particular Lisp program that facilitates the manipulation of mathematical expressions. The program contains the capability to transform images in complicated ways according to user-specified formulas, and that the image display and transformation functions can be commanded from the programming language as well as directly by the user.

TREEFROG Self-assessment System
TREEFROG is a rule-based system for students to practise their maths skills on. The PC-based system TREEFROG simply checks each step of the student's argument for consistency, and recognizes if the correct finishing point has been reached. The online prototype (which only covers polynomial algebra at present), gives rudimentary feedback using malrules if a mistake is made in a step.

TRIUMF, Spanky Fractal Database
THE SPANKY FRACTAL DATABASE is a collection of fractal's and fractal related material for free distribution on the net. Most of the software was gathered from various ftp sites on the internet and it is generally freeware or shareware.

Virtual Abacus
Virtual abacus is an interactive, multimedia software tool to help facilitate number sense and counting skills in children ages six and seven. The virtual abacus is a computer simulation based on the traditional Chinese abacus.

Virtual Image
Publisher of CD-ROMS. Some of the titles include: Art and Mathematics, Polytopia I, II, Shape and Space I, II, Uniform Polyhedra, Fractions, Mental Arithmetic, Trigonometry

VisualMath
The one-stop site for teaching and learning interactive and visual Math. Shareware programs for Windows 95.

Waterloo Maple Software
This is the home page of the vendors and continuing developers of Maple, Theorist, MathPlus, MathEdge, and Expressionist.

Animal Watch (Mathematics Tutor)
An intelligent tutor whose goal is to raise young girls their math skills during a critical period in their development.

William K. Bradford Publishing Company, Inc
This page is the Mathematics section of the On-Line K-12 Software Catalog which an extensive listing of the publisher's offerings for all levels from elementary schools through AP calculus.

Wolfram Research, Inc.
Wolfram Research, Inc. is the developer of the program Mathematica. This site contains Mathematica-related items contributed by Mathematica users around the world and by Wolfram Research.

Word2TEX
General function of Word2TeX is conversion of Microsoft Word documents to LaTeX.

Check out the WWW page on software packages which are contained on the Mathematics Archives.