- Dekov Software
Educational software, a journal of computer-generated Euclidean geometry, and a computer-generated encyclopedia of Euclidean geometry. Current software titles include: Solving Triangles (step-by-step solutions to triangle problems in elementary geometry);
...more>>
- Delaware State Data Center - Delaware Economic Development Office
A focal point for the distribution of census information in Delaware and for the dissemination of other information from the federal government, state government and other sources, coordinating the use of census and other data for economic development.
...more>>
- Deliberative Discourse Idealized and Realized: Accountable Talk in the Classroom and in Civic Life - Sarah Michaels, Catherine O’Connor, Lauren B. Resnick
An article in PDF format. Abstract: Classroom discussion practices that can lead to reasoned participation by all students are presented and described by the authors. Their research emphasizes the careful orchestration of talk and tasks in academic learning.
...more>>
- Delphi For Fun - Gary Darby; Intellitech Systems Inc.
Delphi is based on the Pascal programming language developed in the early 1970s by Niklaus Wirth and named after mathematician Blaise Pascal. This site explores the use of programming as a tool in math problem solving, discussing interesting problems,
...more>>
- Delta Blocks - Hop David
A way to model different 3-D tessellations and a tool for studying geometry, crystallography, and polyhedra. Delta blocks were inspired by M. C. Escher's print "Flatworms," which he said demonstrates that one can build a house not only with the usual
...more>>
- Demiregular Tessellations - Totally Tessellated
Color renditions and a real example of a demiregular tessellation. Templates allow you to print renditions of each tessellation suitable for coloring activities.
...more>>
- Demography: the Java Version - Daniel Udovic, Joshua Coxwell
Java Demography 2.0.2 simulates growth in age structured populations. The program's click and drag features allow users to directly manipulate the fertility and mortality graphs and the population's current age distribution, represented as a bar chart
...more>>
- De Moivre's Theorem - Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about de Moivre's theorem, including its usefulness and proofs.
...more>>
- The De Morgan Journal - London Mathematical Society
The De Morgan Journal aims "to encourage academic mathematicians to reflect on current issues in mathematics education at all levels, from primary school to graduate studies; to encourage them to explore links between higher mathematics and elementary
...more>>
- Demos with Positive Impact - David R. Hill and Lila F. Roberts
Demos with Positive Impact organizes effective math teaching tools. Submit your own demo, or browse the existing collection of physical demos, calculator demos, databased demos, browser-based demos, and software demos, each with statements of objectives,
...more>>
- Demos with Positive Impact - David R. Hill and Lila F. Roberts
A collection of classroom demonstrations that use some form of instructional technology. The authors invite others to submit demos and provide them with feedback on the demos already collected. Demos are organized under the levels of Pre Calculus, Calculus
...more>>
- Dennis Stanton
Dennis Stanton is a professor at the University of Minnesota studying combinatorics and hypergeometric functions. Many of his papers are available online in PostScript and PDF formats. There are also exams and solutions from previous classes, and a complete
...more>>
- Density Functional Theory in Hydrodynamics
Density functional theory in hydrodynamics of a multicomponent multiphase
mixture. Density functional theory describes the multicomponent multiphase
mixture continuously without density jumps and interfacial surfaces.
Bulletin /Field of Application/
...more>>
- Departamento de Didáctica de la Matemática - Universidad de Granada
The University of Granada's Department of Mathematics Instruction features research groups, each with bibliographies of downloadable publications and other resources, on numerical thinking (pensamiento numérico), statistics education (educación
...more>>
- The Department of Applied Science Wavelet Group - Lawrence Livermore National Laboratory
The Wavelet Group is interested in studying the use of the wavelet transform in the solution of various types of problems. The primary area of current study is Signal Processing Using the Wavelet Transform Electrocardiogram (ECG). People, recent papers,
...more>>
- Department of Logic - Faculty of Philosophy, Moscow State University, Russia
In English and Russian. History of the department, staff, books, papers, courses, news.
...more>>
- Department of Mathematical Sciences - U.S. Military Academy, West Point
Publications include Cryptologia, CASE (Computer Algebra Systems in Education), Mathematica Militaris, and PRIMUS (Problems, Resource, and Issues in Undergraduate Mathematics Studies). MathTECH is a research project that provides Java applets and TI-89
...more>>
- Department of Mathematics and Computer Science - North Carolina School of Science and Mathematics (NCSSM)
Learning materials for teachers and students include resources on algebra, advanced functions, and mathematical modeling; data sets used with the NCSSM textbook Contemporary Precalculus Through Applications; the AP Calculus Web Center; and Mathematics
...more>>
- Department of Science & Mathematics Education: Research and Development - Univ. of Melbourne, Australia
Read faculty research and learn about their projects and interests: children's understanding of statistical and probabilistic concepts; the negotiation of meaning in mathematics & science classrooms (The Classroom Project); the expression of algorithms
...more>>
- Dept. of Statistics - University of Illinois at Urbana-Champaign
Web pages generated by statistics courses; biographical sketches of faculty, staff, lab members, and graduate students; department newsletter. Graduate program admission requirements, degrees offered, courses, statistical consulting services, and The
...more>>
- Derivations of Applied Mathematics - Thaddeus H. Black
An open-source book on the essential ideas underlying the derivations of a large number of mathematical results useful in the modeling of physical systems. PDF, with LaTeX source available under the GNU General Public License.
...more>>
- Derivative and Integral - Bill Finzer, Key Curriculum Press
Two sketches demonstrating elementary calculus concepts. Each sketch shows the graph of a function and the graph of its derivative. One sketch lets you change the graph of the function and watch the effect on its derivative. The other sketch lets you
...more>>
- Derivative Calculator - David Scherfgen
Compute derivatives of functions online, for free. Supporting symbolic computation of the 1st, 2nd, and subsequent derivatives of multivariable functions, the Derivative Calculator dynamically typesets expressions while you type them. derivative-calculator.net
...more>>
- Derivative - Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about derivatives, from definitions and explanations to alternate forms of the derivative formula.
...more>>
- The Derivative Project: Using Appropriate Technology to Teach the Concept of Derivative Via a Graphical Approach - Lisa Denise Murphy
Murphy has developed an instructional unit that uses a motion sensor and related software to introduce the concept of a derivative, and tested it in a first-semester calculus class, with very good results. She is now engaged in expanding this project
...more>>
- Derivatives Page - Financial Pipeline
Derivatives are financial securities whose value is derived from another "underlying" financial security. Options, futures, swaps, swaptions, and structured notes are all examples of derivative securities. Derivatives can be used in hedging, protecting
...more>>
- Derive - Texas Instruments, Inc.
DERIVE software is a Computer Algebra System (CAS) for personal computers (Windows, DOS). In addition, the CAS technology in DERIVE is incorporated in TI-89 and TI-92 calculators. Derive applies the rules of algebra, trigonometry, calculus, and matrix
...more>>
- Desafios Matemáticos - Paulo Ferro
Cinco desafios novos cada mês. Ferro, um professor de matemática licenciado pela Universidade de Coimbra, tambem oferece demonstracões de geometria dinâmica, jogos matemáticos, biografias de matemáticos, exames
...more>>
- Descartes 3 - Ministry of Education, Culture, and Sport, Spain
Create interactive math lessons in web page format with this applet, or download any of more than 60 already created applets (ranging from "representing numbers on a straight line" to "tables and algebraic terms," from "geometry and a game of billiards"
...more>>
- Descartes' Formula (Geometry and the Imagination) - Conway, Doyle, Gilman, Thurston; The Geometry Center
The angle defect at a vertex of a polygon was defined to be the amount by which the sum of the angles at the corners of the faces at that vertex falls short of and the total angle defect of the polyhedron was defined to be what one got when one added
...more>>
- Descartes' Rule of Signs - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
A discussion by Scott Brodie of the basis of the attribution to Descartes of the proposition now known as Descartes' Rule of Signs: The number of positive roots of a polynomial with real coefficients is equal to the number of "changes of sign" in the
...more>>
- Description of the Julia sets of the Cauliflower fractal - Frans Faase
Investigation of the Julia sets of the Cauliflower fractal, which is a fractal generated by two linear translations with three parameters. The generated fractal can either be solid, connected, or disconnected. The author shows that two Julia sets consisting
...more>>
- Descriptive Geometry - Petr Plavjaník
Software for creating and printing drawings, including conic sections, color fillings in Monge's projection, and axonometry. In English and Czech.
...more>>
- Design, Analysis, Implementation, and Evaluation of Graph Drawing Algorithms - Petra Mutzel
Automatic Graph Drawing is a relatively new field in Computer Science. The task is to draw diagrams of objects and their relations in such a way that they are easy to read and understand. Applications are, e.g., animation of algorithms, data and flow
...more>>
- Design Ideas - Julie Coghill
A series of articles that discuss quilt design using proportion, asymmetry, and Pythagorean triples.
...more>>
- Designing a Sustainable Standards-based Assessment System - Don Burger; Mid-continent Regional Educational Laboratory (McREL)
Designing and implementing a sustainable standards-based system that consistently yields high student achievement involves more than setting and measuring academic goals. Changing to a standards-based system provides an
opportunity to re-examine the
...more>>
- Designing Effective Professional Development: Lessons from the Eisenhower Program - U.S. Department of Education
The second report of the National Evaluation of the Eisenhower Professional Development Program, Part B (State and Local Activities), a multi-year evaluation being conducted by the American Institutes for Research (AIR) under a contract with the U.S.
...more>>
- Designing Geometric Figures - Tim Fahey
Geometric constructions: instructions for constructing a variety of geometric shapes and patterns. Symbols, basic constructions, basic shapes, and how to design patterns.
...more>>
- Design Resources on the Web - Mathematics Research Center, Univ. of London
Links to web-based resources for design theory and related parts of discrete mathematics and statistics (coding theory, finite geometry, combinatorics, graph theory), with an annotated list of lecture notes and related links.
...more>>
- Design Science - Design Science, Inc.
Math publishing and presentation tools for the web: MathType, the professional version of Equation Editor, for Windows or Mac; WebEQ, for building interactive math web pages; MathFlow, math publishing for the enterprise; and MathPlayer, to display MathML
...more>>
- Designs, Codes and Cryptography - Kluwer Online
An international, searchable, archived, peer-reviewed technical journal publishing survey and original papers on design, codes, and cryptography.
...more>>
- Designs with Circles - Suzanne Alejandre
A Math Forum Web Unit. Includes some background on circles in Islamic cultures, and an activity exploring the geometry involved in some circle designs.
...more>>
- Design Your Future - Math, Science, and Technology for Girls - Autodesk, Inc.
The Design Your Future mission is to provide practical, inspiring, hands-
on opportunities for young women to become aware of, explore, and pursue
math, science, and technology-based careers. It provides a number of opportunities, including: a tool
...more>>
- Desmos - Desmos Inc
This free online graphing calculator zooms in and out of plots, offers slider bars to explore parameters, switches between Cartesian and polar coordinates, and more. Save sketches, mark points of interest, turn on "projector mode" for thicker, darker
...more>>
- Deterministic Modeling: Linear Optimization with Applications - Prof. Hossein Arsham; University of Baltimore
Mathematical modeling process for decision making, presented in the context of linear programming.
...more>>
- Detracking America's Schools: The Reform Without Cost? - Brewer, Rees, Argys; Phi Delta Kappan
The practice of grouping school students by level of ability, known as tracking, has long been used in American public schools. In recent years, opponents of tracking have argued that below-average students are hindered by being grouped together, while
...more>>
- DevApprentice: Software Developer Apprentice - Kent Griffin
An online resource for learning elementary computer programming. Write and execute real programs, including graphics, in your web browser. Includes a programming problem of the week, examples, instructions, a glossary, and the online programming environment.
...more>>
- developer.com's collection of math Java applets - EarthWeb, Inc.
A browsable, searchable collection of links, authors, notes, and details about Java applets contributed to developer.com. Software is organized into the categories of basics and children's, fractals, games and puzzles, general, geometry, plotting, graphing,
...more>>
- Developing A General 2nd Degree Diophantine Equation x^2 + p = 2^n - Thien Do; Westmoore High School, Oklahoma City, OK
Using methods of congruences, the author shows that if p = 3 there is only one positive solution (1,2), and if p is any other odd prime not congruent to 7 mod 8, there are no solutions. Introduction; Methodology; Conclusions; Further Works; Acknowledgements;
...more>>
- Developing Algebraic Thinking - Suzanne Alejandre
Teacher lesson plan and student kinesthetic activities on the Traffic Jam activity and applet, as originally published in the inaugural (Fall, 2002) issue of ON-Math, an electronic journal of the National Council of Teachers of Mathematics (NCTM).
...more>>
| |
|
The Math Forum is a research and educational enterprise of the Drexel University School of Education.