M a r 2 6 The following links were added to the Trigonometry section of the Math Archives' Topics in Mathematics: How to estimate Saturn's Mass and Distance Introductory Online Trigonometry - A Tutorial For Beginners ADD. KEYWORDS: Tutorial, Quizzes, Trigonometry of the triangle

M a r 2 4 The following links were added to the Calculus section of the Math Archives' Topics in Mathematics: xFunctions xPresso ADD. KEYWORDS: animated graphs, parametric curves, derivatives, Riemann sums, integral curves, and 3D graphs The following link was added to the Differential Geometry section of the Math Archives' Topics in Mathematics: NonEuclid ADD. KEYWORDS: Hyperbolic plane, Poince disk model, Half plane model, Triangles, Lab explorations, Tessellations of the Plane, Areas The following link was added to the Fractals section of the Math Archives' Topics in Mathematics: Computing the Hausdorff Measure and Dimension of Fractals Generated by Möbius Transforms ADD. KEYWORDS: Appollonian Packing, Software The following link was added to the Logic and Set Theory section of the Math Archives' Topics in Mathematics: Truth Table Constructor The following links were added to the Topology section of the Math Archives' Topics in Mathematics: The Optiverse ADD. KEYWORDS: Smale's Theorem, Turning a sphere inside out, regular homotopy, Real Audio Planar Machines' web site. An invitation to Topology. ADD. KEYWORDS: Configuration spaces The following link was added to the Math Archives' listing of Other Software Sites: SnapPea SnapPea is a program for creating and studying hyperbolic 3-manifolds.

M a r 2 2 The following link was added to the Precalculus section of the Math Archives' Topics in Mathematics: Conics from Jalacy Softwa re ADD. KEYWORDS: Conic Sections The following link was added to the Multivariable Calculus section of the Math Archives' Topics in Mathematics: Introducing Curves ADD. KEYWORDS: Lecture notes, parametrization of curves, groups of isometries, length of a curve, implicitly defined plane curves, evolutes and involutes of plane curves, curvature, torsion and the Frenet-Serret equations, and the Fundamental Theorem of Space Curves

M a r 2 1 The following links were added to the Abstract Algebra section of the Math Archives' Topics in Mathematics: Arithmetic Algebraic Geometry A Course in Homological Algebra Higher Dimensional Group Theory ADD. KEYWORDS: Algebraic Topology, Homotopy theory, Groupoids, Van Kampen Theorem, Homotopy Groups Parallel Construction of Finite Solvable Groups Stanford Encyclopedia of Philosophy - Category Theory ADD. KEYWORDS: General Definitions, Brief Historical Sketch, Philosophical Significance, Bibliography The Valuation Theory Home Page ADD. KEYWORDS: Conferences, People, Recent papers, books and theses in valuation theory, Bibliography, Open Problems, News The following link was added to the Complex Analysis section of the Math Archives' Topics in Mathematics: Complex Numbers Made Easy... ADD. KEYWORDS: Addition, Multiplication, Division, Arg, Norm, Trigonometric functions, Inverse trigonometric functions, Exponential, Logarithm The following links were added to the Fourier Analysis and Wavelets section of the Math Archives' Topics in Mathematics: Harmonic Analysis Links ADD. KEYWORDS: Conferences, People, Databases and Preprints, Programs and groups, Books and Journals Wavelets The following link was added to the Fractals section of the Math Archives' Topics in Mathematics: Fractals in the plane - the ergodic theory methods ADD. KEYWORDS: Book The following links were added to the Logic and Set Theory section of the Math Archives' Topics in Mathematics: Stanford Encyclopedia of Philosophy - Constructive Mathematics ADD. KEYWORDS: L.E.J. Brouwer, intuitionism, Bibbliography Stanford Encyclopedia of Philosophy - Frege's Logic, Theorem, and Foundations for Arithmetic Stanfo rd Encyclopedia of Philosophy - Inconsistent Mathematics Stanford Encyclopedia of Philosophy - Principia Mathematica Stanford Encyclopedia of Philosophy - Russell's Paradox The following link was added to the Ordinary Differential Equations section of the Math Archives' Topics in Mathematics: Ordinary Differential Equations ADD. KEYWORDS: Numerical techniques, Applications to physics, Euler Method, The Leap-Frog Method, The Runge-Kutta Method, The Predictor-Corrector Method, The Intrinsic Method The following links were added to the Probability section of the Math Archives' Topics in Mathematics: Applets for the Cybergnostics project ADD. KEYWORDS: Chi-square Demonstration, Exponential Demonstration, Binomial Demonstration, Normal Approximation to the Binomial, Marden's regression, conditional probability, Confidence interval, Correlation demo, Power, F Demonstration Introduct ory Probability ADD. KEYWORDS: Lecture Notes, Course Materials, Matlab, Lab Exercises The following link was added to the Topology section of the Math Archives' Topics in Mathematics: Geometric Group Theory ADD. KEYWORDS: People, Organizations, Conferences, Publications, Problem lists, Software

M a r 2 0 The following link was added to the Abstract Algebra section of the Math Archives' Topics in Mathematics: A Course in Universal Algebra ADD. KEYWORDS: Book The following link was added to the Algebra section of the Math Archives' Topics in Mathematics: Understanding Algebra ADD. KEYWORDS: Text, The Numbers of Arithmetic, Introduction to Algebra, Word Problems, Graphing and Straight Lines, Systems of Linear Equations, Polynomials, Rational Expressions, Exponents and Roots, Quadratic Equations The following link was added to the Art and Music section of the Math Archives' Topics in Mathematics: A Virtual Space-Time Travel Machine : A Gateway between Art and Science with more than 700 Still Pictures and Animations ADD. KEYWORDS: Articles, chaos, dynamics, fractal geometry, fluid mechanics, number theory, surfaces and densitivity to rounding-off errors The following links were added to the Calculus section of the Math Archives' Topics in Mathematics: Intersection of Cylinders ADD. KEYWORDS: Finding volumes Pathological example for Newton's method The following links were added to the Combinatorics section of the Math Archives' Topics in Mathematics: Algebraic Combinatorics Via Finite Group Actions ADD. KEYWORDS: Lecture Notes The Combinatorics Net ADD. KEYWORDS: People, Conferences, Seminars, Journals, Books, Teaching Combinatorics, Software, Preprints, Open Problems,News and Stories Matroids and Signed Graphs The following links were added to the Dynamical Systems section of the Math Archives' Topics in Mathematics: Continuously-adjustable parameter iterated polynomials ADD. KEYWORDS: Web diagram of a quadratic Iterated Polynomials ADD. KEYWORDS: Web diagrams of quadratics The following link was added to the Geometry section of the Math Archives' Topics in Mathematics: Non-Euclidean Geometry ADD. KEYWORDS: Poincare Disk Model, Geodesics, Isometries The following link was added to the Linear Algebra section of the Math Archives' Topics in Mathematics: Hermann Grassmann and the Creation of Linear Algebra ADD. KEYWORDS: Article, Products, Inner products, Linear transformations, Geometry

M a r 1 9 The following links were added to the Discrete Mathematics section of the Math Archives' Topics in Mathematics: A Journey through Intersection Graph County ADD. KEYWORDS: Survey, line graphs, interval graphs, duality, Helly-property, cliques, intersection number, order, hypergraphs, random models, distance, facet graphs, interval bigraphs, line bigraphs, connection graphs, intersection h-graphs, bibliography Past Open Problems Columns - Douglas B. West - From the SIAM Activity Group Newsletter in Discrete Mathematics Some Open Problems ADD. KEYWORDS: Open Problems in Graph Theory Unsolved Problems ADD. KEYWORDS: Problems from Graph Theory The following links were added to the Linear Programming / Nonlinear Programming / Optimization section of the Math Archives' Topics in Mathematics: MP-TESTDATA SteinLib of Steiner Tree Problem Instances OR-Library ADD. KEYWORDS: Test Data Sets, capacitated minimal spanning tree, graph colouring, graph planarisation, integer programming, linear ordering, linear programming, matching, matrix decomposition, network flow, nonlinear programming, scheduling, semidefinite programming, set covering, set partitioning, Steiner problem in graphs, stochastic programming, three-dimensional packing, time series forecasting, and the travelling salesman problem. The Steiner Tree Page ADD. KEYWORDS: Bibliography, A list of researchers, Open problems, Software The following links were added to the Number Theory section of the Math Archives' Topics in Mathematics: Aesthetics of the Prime Sequence The Cunningham Project ADD. KEYWORDS: Factorization of b^n+-1 Mathematica-Number Theory ADD. KEYWORDS: Problems sets Prime Number Listening Guide ADD. KEYWORDS: Midi files, Make your own music, Patterns of primes The following link was added to the Topology section of the Math Archives' Topics in Mathematics: Problems in Topological Graph Theory ADD. KEYWORDS: classical questions on genus, coloring graphs and maps, drawings and crossings, paths, cycles, and matchings, symmetries, locally planar embeddings, computation al complexity, book embeddings, representing graphs and embeddings, random topol ogical graph theory

M a r 1 8 The following links were added to the Math Archives' Numbers page: Irrationality proofs Proofs that e, log(2) and pi are irrational are given. Mathematical constants and computation This site contains information on the computation and the algorithms for the computation of various numbers including pi, e, log(2), the square root of 2, Euler's constant gamma and Apery's constant. Plouffe's inverter Table of current records for the computation of constants including pi, 1/pi, e, Catalan, Zeta(3), log(2), golden ratio, and the sqaure ro ot of 2. Tout L'Univers de Pi et de Pi-Phénomènes! This French site contains all the information which you will ever need to know about the number pi. The history, mathematicians who have used pi, formulas for pi, etc. are provided. The following links were added to the Abstract Algebra section of the Math Archives' Topics in Mathematics: The groups of order 64 ADD. KEYWORDS: GAP, Listing of all groups of order 64, presentations, elements with their orders, number of conjugacy classes, nilpotency class, centre and commutator subgroup, automorphism and inner automorphism group and the lower central series. O rders of non-abelian simple groups ADD. KEYWORDS: Scheme, Listings of groups, Sporadic Simple Groups, Groups of ranks 2 and 4 The following link was added to the Calculus section of the Math Archives' Topics in Mathematics: The Gamma Function ADD. KEYWORDS: Weierstrass' formula, the Psi function, Euler's constant, Stirling's formula The following link was added to the Geometry section of the Math Archives' Topics in Mathematics: The Computation of Certain Numbers Using a Ruler and Compass ADD. KEYWORDS: Article The following links were added to the Linear Programming / Nonlinear Programming / Optimization section of the Math Archives' Topics in Mathematics: Solving Traveling Salesman Problems ADD. KEYWORDS: History, Computer codes, Computations, Research Papers Travelling Salesman's Problem ^M The following link was added to the Logic and Set Theory section of the Math Archives' Topics in Mathematic s: Axiome du Choix (in French) ADD. KEYWORDS: Quelques variantes de l'axiome du choix. The following links were added to the Number Theory section of the Math Archives' Topics in Mathematics: The Bernoulli numbers ADD. KEYWORDS: Zeta function, Clausen von Staudt's theorem, asymptotic expansion, bounds and the Euler-Maclaurin formula Fibonacci at Random ADD. KEYWORDS: Random Fibonacci sequences Lehmer's Conjecture ADD. KEYWORDS: Search algorithms, Lists, Salem numbers, Bibliography The Riemann's Zeta function ADD. KEYWORDS: Riemann hypothesis Equal sums of like powers ADD. KEYWORDS: Diophantine system, The Prouhet-Tarry-Escott problem, Unsolved problems and conjectures, Bibliography The following link was added to the Numerical Analysis section of the Math Archives' Topics in Mathematics: Acceleration of the convergence of series ADD. KEYWORDS: Kummer's acceleration method, Aitken's accele ration method, and Euler's method

M a r 1 7 The following link was added to the Calculus section of the Math Archives' Topics in Mathematics: Numerische Integration mit dem TI-92 (in German) The following link was added to the Computational Geometry section of the Math Archives' Topics in Mathematics: The Bernstein Bézier Form and Minimal Determining Sets ADD. KEYWORDS: Triangulations

M a r 1 6 The following link was added to the Abstract Algebra section of the Math Archives' Topics in Mathematics: Algebraic Number Theory ADD. KEYWORDS: Quadratic reciprocity over global fields, Newton polygons The following links were added to the Mathematics Education section of the Math Archives' Topics in Mathematics: Computer Algebra Systems in Calculus Reform ADD. KEYWORDS: Article Graphing Misinterpretations and Microcomputer-Based Laboratory Instruction, with Emphasis on Kinematics ADD. KEYWORDS: Article Preparing the Ground and Planting the Seeds: Initial Knowledge States and Early Concept Development in Introductory Calculus Students ADD. KEYWORDS: Article The following links were added to the Number Theory section of the Math Archives' Topics in Mathematics: Gauß, Eisenstein, and the ``third'' proof of the Quadratic Reciprocity Theorem: Ein kleines Schauspiel ADD. KEYWORDS: Article, Proof Introduction to Number Theory ADD. KEYWORDS: The Factorization of Integers, Divisibility, Prime Numbers, The Greatest Common Divisor, Unique Factorization, Linear Diophantine Equations, Perfect Numbers, Mersenne Numbers and Fermat Numbers, Congruences, Reduced Residue System, Euler -Function, Congruences, Chinese Remainder Theorem, Congruences Modulo a Prime Power, Quadratic Residues, Legendre Symbol, Quadratic Reciprocity, Jacobi's Symbol, The Order of an Integer, Primitive Roots, Continued Fractions The Jewel of Arithmetic: Quadratic Reciprocity ADD. KEYWORDS: Proof Proofs of the Quadratic Reciprocity Law ADD. KEYWORDS: Bibliography A Trigonometric Proof of the Quadratic Reciprocity Law The following link was added to the Math Archives' listing of K-12 resources in mathematics: WNETSchool - Mathematics Lesson Plans Our original lesson plans are developed by wNetSchool Master Teachers. Starting with tried-and-true lessons that work in the classroom, our Web-savvy teachers have built Web-based activities that use the rich resources of Thirteen/WNET and the Internet.

M a r 1 5 The following links were added to the Abstract Algebra section of the Math Archives' Topics in Mathematics: The ECC Tutorials and Whitepapers ADD. KEYWORDS: Tutorials, Elliptic Curves, Finite Fields, Groups, Cryptology, Public Keys. Introduction to Algebraic Geometry ADD. KEYWORDS: Lecture Notes, Algebraic sets, Hilbert's Nullstellensatz, varieties over algebraically closed fields, complex analytic manifolds, genus, divisors, linear series, line bundles and the Riemann-Roch theorem. Modular forms lecture notes ADD. KEYWORDS: Serre's conjectures, Hecke algebras, The refined Eisenstein conjecture, New examples of modular icosahedral Artin representations, Component groups of optimal quotients, The Manin index of optimal new quotients, Motifs, Galois Cohomology

M a r 1 4 The following link was added to the History of Mathematics and Mathematics Education sections of the Math Archives' Topics in Mathematics: Legacy of R. L. Moore Project ADD. KEYWORDS: Biography, Discovery Learning, Moore Method, Conference, Readings, Pictures

M a r 1 3 The following link was added to the Mathematics Education section of the Math Archives' Topics in Mathematics: Uses of Java Applets in Mathematics Education ADD. KEYWORDS: Article The following link was added to the Number Theory section of the Math Archives' Topics in Mathematics: MP313 Number Theory III - Keith Matthews ADD. KEYWORDS: Lecture Notes, Problem Sheets, References

M a r 1 2 The following links were added to the Math Archives' Numbers page: Egyptian Multiplication Jim Loy discusses the method that Eqyptians used to multiply two numbers. Roman Numerals How do you add and divide with Roman numerals? Check out these pages. The following link was added to the Abstract Algebra section of the Math Archives' Topics in Mathematics: Course Notes - J.S. Milne ADD. KEYWORDS: Graduate courses on Group Theory, Fields and Galois Theory, Algebraic Number Theory, Class Field Theory, Modular Functions and Modular Forms, Elliptic Curves, Algebraic Geometry, Lectures on Etale Cohomology, Abelian Varieties The following link was added to the Calculus section of the Math Archives' Topics in Mathematics: Calculus and Differential Equations ADD. KEYWORDS: Collection of articles, Curvature, Intrinsic and Extrinsic, Radial Paths in Schwarzschild Spacetime, Integrating the Bell Curve, Compressor Stalls and Mobius Transformations, Dual Failures with General Densities, The Limit Paradox, Proof That PI is Irrational, Simple Proof that e is Irrational, etc. The following link was added to the Combinatorics section of the Math Archives' Topics in Mathematics: Combinatorics ADD. KEYWORDS: Collection of articles, Dedekind's Problem, Generating Function For Eulerian Numbers, Permutation Loops, Polyomino Enumerations, Powers of Primes Dividing Factorials, The Dartboard Sequence, Binary Games, 414298141056 Quarto Draws Suffice!, Additive and Multiplicative Partitions, Coloring The Edges of an Icosahedron, Cumulative Permutation Sequences, Center of Gravity With Integer Coordinates, and Unification of Eulerians and Binomials, etc. The following link was added to the Dynamical Systems section of the Math Archives' Topics in Mathematics: Linear Fractional Transformations ADD. KEYWORDS: Similarity, Conjugacy, Periodicity The following link was added to the Geometry section of the Math Archives' Topics in Mathematics: Geometry ADD. KEYWORDS: Collection of articles, Constructing the Heptadecagon, Parabola Through Four Points, Curvature, Intrinsic and Extrinsic, Sphere Packing In Curved Space, Min-Energy Configurations of Electrons On A Sphere, Distinct Point Sets With Same Distances, Isospectral Sets In One Dimension, Generating Functions for Point Set Distances, Curvature of Linear Interpolation, Gravity Sextant, Platonic Solids and Plato's Theory of Everything, etc. The following link was added to the History of Mathematics section of the Math Archives' Topics in Mathematics: History of Mathematics ADD. KEYWORDS: Collection of articles, Zeno's Paradox of Motion, Archimedes and the Square Root of 3, Bertleson's Number, Euclid's Plan and Proposition 6, Legendre's Prime Number Conjecture, Mayan Numeration, The Dullness of 1729, The Helen of Mathematics, Berkeley and the Infidel, Newton's Birth Date and the Anni Mirabiles, etc. The following link was added to the Logic and Set Theory section of the Math Archives' Topics in Mathematics: Set Theory and Foundations ADD. KEYWORDS: Collection of articles, Representing Sets of Pure Order, Zeno's Paradox of Motion, Computation is Exclusive, What is Fuzzy Logic?, Continuous Turing Machines, Fractal Logic, Implicit Means, Infinite Descent versus Induction, Zeno's Fifth Paradox, etc. The following links were added to the Number Theory section of the Math Archives' Topics in Mathematics: The Erdos-Strauss Conjecture Number Theory ADD. KEYWORDS: Collection of articles written by Kevin Brown, Identities for Linear Recurring Sequences, The Half-Totient Tree, Symmetric Pseudoprimes, Zeisel Numbers, The Jewel of Arithmetic: Quadratic Reciprocity, Highly Wilsonian Primes, Congruences on 4th Order Recurrences, Quadratic Congruences, Sums of Three Cubes, Congruences Involving the Totient Function, A Conjecture On The Fermat Function, Smith Numbers and Rhonda Numbers, Infinitely Many Rhondas, etc. Pseudoprimes Based On The Symmetric Functions Of The Roots Of A Polynomial ADD. KEYWORDS: Article The following link was added to the Ordinary Differential Equations section of the Math Archives' Topics in Mathematics: Lead-Lag Algorithms The following link was added to the Probability and Statistics sections of the Math Archives' Topics in Mathematics: Probability and Statistics ADD. KEYWORDS: Collection of articles, Evaluating Probabilities of Boolean Events, The Gambler's Ruin, Area Under the Bell Curve, The Poisson Distribution and Queues, Ratio Populations, Ratios of Normal Distributions, Failure Rates, MTBFs, All That and Boolean Expansion as Linear Interpolation, etc.

M a r 1 1 The following link was added to the Art and Music section of the Math Archives' Topics in Mathematics: Mirror Curves ADD. KEYWORDS: Symmetry, Tamil threshold designs, Tchokwe sand drawings, Leonardo da Vinci, Algorithms The following links were added to the Topology section of the Math Archives' Topics in Mathematics: Algebraic Topology ADD. KEYWORDS: Textbook, Homotopy and Homotopy Type, Cell Complexes, Fundamental Group and Covering Spaces, Van Kampen's Theorem, Homology, Cohomology, Poincare Duality, Universal Coefficient Theorem, Homotopy Groups, Hopf Invariant Knot Theory Notes on Basic 3-Manifold Topology ADD. KEYWORDS: Lecture Notes Ordering Knots Stable algebraic topology 1945-1966, by J.P. May ADD. KEYWORDS: Article, History, Bibliography

M a r 1 0 The following links were added to the Algebra section of the Math Archives' Topics in Mathematics: Maths Online ADD. KEYWORDS: Drawing plane and coordinate system, Variables, terms, formulae, and identities, Equations, Analytic geometry, Functions Maths Online - Sets The following link was added to the Calculus section of the Math Archives' Topics in Mathematics: Maths Online ADD. KEYWORDS: Differentiation, Power series, Nowhere differentiable functions, Integration, Fourier seriesi, Limiting processes The following link was added to the Fourier Analysis section of the Math Archives' Topics in Mathematics: Fast Transforms ADD. KEYWORDS: Wavelet transforms, Haar transform, Mallat transform, Trigonometric based transforms, Hartley Transform, Discrete cosine transform ( DCT), Non-trigonometric, non-wavelet transforms, Walsh transform, Hadamard transform, software The following links were added to the Geometry section of the Math Archives' Topics in Mathematics: Combinatorial Tiling Theory: Theorems - Algorithms - Visualization ADD. KEYWORDS: Two Dimensional Tilings, Three Dimensional Tilings, Face-Transitive Tilings, Periodic Delone Tilings, Orbifold Graphs, Classification of 3-Dimensional Tilings, Tiling Space by Platonic Solids, Enumeration of Polyhedral Crystal Structures Symmetry and the Shape of Space ADD. KEYWORDS: Isometries of the plane, Regular Patterns, Orbifolds, Software, Kali, Geometer's Sketchpad The following links were added to the Topology section of the Math Archives' Topics in Mathematics: Atlas of oriented knots and links CompuTop.org - A site for the computational three-dimensional topology community. ADD. KEYWORDS: Mailing lists, Software Archive, Tables, Preprints Knot Theory ADD. KEYWORDS: Tutorial Links to low-dimensional topology ADD. KEYWORDS: Conferences, Pages of Links, Knot Theory, 3-manifolds, Journals, Home pages Topology Course Lecture Notes ADD. KEYWORDS: Topological Spaces, Closed sets and Closure, Continuity and Homeomorphism, Compactness, Other Covering Conditions, Connectedness, Separability, Convergence, Nets, Product Spaces, Separation Axioms Square Knots ADD. KEYWORDS: Article from American Scientist The following links were added to the Trigonometry section of the Math Archives' Topics in Mathematics: Maths Online - Trigonometry ADD. KEYWORDS: Trigonometric Functions, Law of Sines Trigonometry Realms ADD. KEYWORDS: Tutorial, Right Triangle Solvers, Waves, Simple Harmonic Motion Webtrig ADD. KEYWORDS: Tutorial, Introduction to angles, Graphs of the sine and cosine functions, Definition of the trigonometric functions, Trigonometric identities, Right triangle trigonometry, Trigonometric equations

M a r 9 The following link was added to the Math Archives' page on Images and Mathematics: Surfaces Beyond the Third Dimension This web site documents the "Surfaces Beyond the Third Dimension" art exhibit hosted by the Providence Art Club in March and April of 1996. It featured computer-generated artwork designed by Tom Banchoff, in collaboration with Davide Cervone (now at Union College) and student associates at Brown University. These works combine computer graphics and mathematics to form images that are pleasing to the eye and challenging to the mind. The following link was added to the Geometry section of the Math Archives' Topics in Mathematics: The World of HYPERBOLIC GEOMETRY ADD. KEYWORDS: Parallel postulate, isometries, models, hyperbolic trigonometry, special relativity

M a r 8 The following link was added to the Abstract Algebra and Linear Algebra sections of the Math Archives' Topics in Mathematics: Elements of Abstract and Linear Algebra ADD. KEYWORDS: Textbook, Groups, Rings, Matrices and Matrix Rings, Linear Algebra

M a r 7 Keith Mathews has upgraded his program CALC. CALC is a calculator program for doing arbitrary precision integer arithmetic and contains many commands which can be used for number-theoretic investigations. The following link was added to the Algebra section of the Math Archives' Topics in Mathematics: GoMath Tutorials ADD. KEYWORDS: SAT The following link was added to the Fourier Analysis section of the Math Archives' Topics in Mathematics: Tutorial on Continuous Wavelet Analysis of Experimental Data The following link was added to the Mathematics Education section of the Math Archives' Topics in Mathematics: CBMS Mathematical Education of Teachers Project The following link was added to the Math Archives' listing of Professional Societies: The International Society for Boundary Elements The International Society for Boundary Elements (ISBE) is a professional organisation for all researchers in Boundary Elements. It provides research literature from the field, information on international meetings and publications, and general news on the Boundary Element community. The following link was added to the Math Archives' Undergraduates page and the listing of K-12 resources in mathematics: MathNerds MathNerds is a free service offering assistance in many areas of mathematics. The following link was added to the Math Archives' listing of Other Software Sites: 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.

M a r 3 The following links were added to the Math Archives' listing of College and University Mathematics Departments: Lyndon State College, Lyndonville, VT [Catalogue]

M a r 2 The following links were added to the Math Archives' listing of Other Software Sites: ModelMaker ModelMaker is an ideal tool for research, consultancy and teaching, providing a start to finish environment for numerical modeling. The software provides a click drag drop environment for modeling with differential and partial-differential equations. With ModelMaker it is easy to simulate, optimise and report your modeling hypothesis and results. Other features of interest include: Monte Carlo analysis, Simulated annealing, Sensitivity analysis, Minimisation, dll integration, stiff equation solver. A full free 30-day trial will be available for download. Win-SSize This site is distributing a beta copy of Winssize, a Windows-based software for sample size determination for health studies which was developed by the WHO Collaborating Centre for Health Informatics at the National University of Singapore for the World Health Organization.

M a r 1 The following link was added to the Math Archives' listing of Other Software Sites: 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.