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  All Sites - 5510 items found, showing 5201 to 5250

  1. Unifpack (Web version 2.0) - Carlos O'Ryan Lira
    A set of programs and C libraries for studying Riemann Surfaces with symmetry. Unifpack accepts a presentation of a finite group and calculates the Cayley graph of the group for that presentation. If the presentation is "admissible," Unifpack can calculate ...more>>

  2. Union of Bulgarian Mathematicians (UBM)
    A voluntary, creative, non-political organisation whose purpose is to bring together people who are interested in Mathematics and Computer science or are involved in activities related to those fields. Contact info, meetings. ...more>>

  3. UnitConversion.org
    Perform online unit conversions for volume, distance, temperature, time, speed, and more for a total of 2,100 kinds of units in 78 different categories. ...more>>

  4. Unit Converter
    The converter works for units of area, energy, pressure, volume, temperature, mass, length, numbers, velocity etc. You put in a number and select a base unit and select a unit to convert to. The conversion result will immediately appear in the output ...more>>

  5. UnitJuggler: Online Unit Conversions - Pierre Di Marco
    UnitJuggler offers free unit conversions, for distance and length, area, volume, weight and mass, temperature, time, and more. ...more>>

  6. The Units of Measure C++ Library - Keith Nicewarner
    The purpose of this library is to try to make it more difficult to make coding mistakes that incorrectly mix units of measure. This is done with a set of C++ classes that provide type-safe manipulation of units of measure for various properties. ...more>>

  7. Units of Measurement for Ada - Dmitry A. Kazakov
    Public domain software for dealing with physical measurement units. The library provides physically correct unit arithmetic and tools for input and output of units, which including support of various irregular units. As an illustrative example a platform-independent ...more>>

  8. The Universal Currency Converter - Xenon Laboratories Incorporated
    An interactive currency table. Versions are available in English, Spanish, and Swedish. The Universal Currency Converter™ allows you to perform interactive foreign exchange rate conversion on the Internet. Type the amount of source currency in the input ...more>>

  9. Universal Math Solver - Stanislav Kublanovsky
    Software that solves problems of arithmetic, algebra, trigonometry, calculus, and other mathematics. Graphs, tables, and automated verbal and written commentaries — also available in French, Russian, Dutch, German, Italian, Spanish, and Hebrew — ...more>>

  10. Universal Math Solver (UMS) - Severny Ochag International
    UMS allows students to solve problems simply by entering them from any source, and provides a complete solution and presentation of the whole calculation process, accompanied by an audio commentary. See a screen shot or download a demo. Available in French, ...more>>

  11. The Universe of Discourse - Mark Dominus
    Blog by the perl programmer who authored the book Higher-Order Perl and columns for The Perl Journal. Posts, which date back to November, 2005, have included "Fibonacci-like sequences," "More Liber Abaci," "The 3n+1 domain," "Biblical infallibility and ...more>>

  12. University Departments - Canadian Mathematical Society (CAMEL)
    An alphabetical list of Canadian university departments. Also links to All U.S. Mathematics Departments on-line and More Mathematics Departments in Universities around the World. ...more>>

  13. The University of Minnesota Calculus Initiative - The Geometry Center
    Interactive technology-based modules for the engineering calculus sequence which emphasize geometric concepts of calculus while examining applications of mathematics to the physical and life sciences. Available are: the Rainbow Lab, Numerical Integration ...more>>

  14. UniVirtual Slide Rule Emulator - Andrew Davie
    A real-time, fully configurable, slide rule emulator in Java. Zoom, reconfigure on-the-fly, and work multiple slides and multiple cursors, each of which supports multiple gauge marks and hairlines. ...more>>

  15. Unsolved Problems in Function Theory - Alexandre Eremenko
    Files available in PDF format: Some constants studied by Littlewood; Meromorphic functions satisfying certain differential equations (E. Hille); Does every universe contain a place where you can stay at rest? (Lee Rubel); Holomorphic curves with few inflection ...more>>

  16. Unsolved Problems in Number Theory, Logic, and Cryptography - Tim Roberts
    This site "concentrates only on problems which are easily understandable to the amateur.... explainable on a single screen (perhaps 200 words), using simple terminology." Read brief descriptions of open problems such as the Chromatic Number, the Collatz ...more>>

  17. Unstructured Grids (UG) - Institut für Computeranwendungen, UniversitU7auml;t Stuttgart
    A flexible software tool for the numerical solution of partial differential equations on unstructured meshes in two and three space dimensions using multigrid methods. Its basic design is flexible enough to support many different discretization schemes. ...more>>

  18. Untangled - Mehta, Gayatri; Luo, Xiaozhong; et al.
    Map and place logic blocks in this game to make more compact circuit layouts on a grid -- and more efficient computer chips. Visually appealing graphs bring nodes closer to parents or children and untangle knots in graphs; behind the scenes, the accumulated ...more>>

  19. US2020
    By organizing a million mentors from industry, this organization hopes to provide "uplifting moments of discovery to children through real-world, hands-on projects and academic coaching" in science, technology, engineering and math (STEM) fields. The ...more>>

  20. USAMO/APMO/IMO/Putnam Archive - Kiran S. Kedlaya
    Questions from some recent math competitions, in LaTeX or postscript format: the USA Mathematical Olympiad (USAMO) for high school students [1989-1999]; the Asian Pacific Mathematical Olympiad (APMO), a regional olympiad among countries on the Pacific ...more>>

  21. U.S. Census Bureau
    Information (searchable by keyword and browseable by subject) from summary data files across cities, towns, counties, states, and other geographic and demographic boundaries, useful for many purposes from allocating representation in legislative bodies ...more>>

  22. U.S. Department of Education
    Extensive and varied education information in categories including: educational initiatives (President's and Secretary's priorities), funding opportunities, student financial assistance, research and statistics, news and events, programs and services, ...more>>

  23. U.S. Energy Information Administration (EIA)
    Links to facts/statistics on energy topics from A to Z: acid rain and air conditioning to world energy data on coal consumption, electricity prices, natural gas and oil consumption, and more. With tables, graphs, articles (some in PDF format), a Windows ...more>>

  24. Usenet FAQ Archive : Recreation : Puzzles - Netmeg Internet
    Problems and puzzles, with solutions, from the rec.puzzles archives, in the categories: analysis, arithmetic, combinatorics, competition, decision, geometry, group, induction, instructions, language, logic, physics, pickover, probability, real life, references, ...more>>

  25. Using Mathematica in the Mathematics Classroom - Univ. of Illinois
    A course module designed for high school and lower division college mathematics teachers who are beginners with Mathematica and who want to learn to use this software package to create transparencies and handouts, computer demonstrations, and interactive ...more>>

  26. Using Sketchpad: Circles - Jim King, University of Washington
    A sketch illustrating families of circles orthogonal to a given circle or line, which give some motivation for the idea of reflecting a point across a line or circle. Notes on Jim King's presentation at the Sketchpad User's Group Meeting in Cincinatti ...more>>

  27. Using Sketchpad: Conics - Peter Andrews, Eastern Illinois University
    Two sketches illustrating techniques for constructing general conic sections, one on Isaac Newton's Organic Construction and one on the MacLaurin/Braikenridge construction of a general conic. Notes on Peter Andrews' presentation at the Sketchpad User's ...more>>

  28. Using Sketchpad in Calculus - Doris Schattschneider, Moravian College
    Three sketches about parametric equations of curves and a sketch about a (then) unsolved problem about perpendicular bisectors of quadrilaterals. Notes on Doris Schattschneider's presentation at the Sketchpad User's Group Meeting in Cincinatti in January ...more>>

  29. Using the Fibonacci numbers to represent integers - Ron Knott
    We use base 10 for written numbers, and computers use base 2, but what about using the Fibonacci numbers as the column headers? or base Phi (1.618034...) instead of base 10? There are some interesting infinite series that relate to these - each with a ...more>>

  30. Using the Geometer's Sketchpad - Jeremy Bartusch, revised by Tony Peressini and Tom Anderson
    An interactive tutorial on how to use the Geometer's SketchPad software, and an introduction to how this application can be used to teach geometry and to produce classroom resources with plane geometry components. Sponsored by the University of Illinois ...more>>

  31. Using the Internet: Mathematics - Douglas Butler; Pearson Publishing (U.K.)
    A 55-page looseleaf book compiled to save teachers time finding excellent resources on the WWW and to provide a curriculum-based bank of ideas. Support activities do not demand that students have free access to the Web. The pack is divided into ten main ...more>>

  32. US Third in Math Olympiad (Math Chat) - Frank Morgan, MAA Online
    Answer to the Challenge: a small creature needs to find its way from a random point on an mile-wide strip of land to the sea on either side, by going distance r in a random direction and then (if it has not yet found the water), turning once t degrees ...more>>

  33. U Substitution - Technical Tutoring
    The site describes the substitution method for solving integral problems by means of numerous examples and exercises. ...more>>

  34. U.S. Universities & Community Colleges - University of Texas at Austin
    Universities and community colleges with Web sites in the United States, alphabetically or by state. A form is available for you to add an item. ...more>>

  35. The Valuation Theory Home Page - Franz-Viktor Kuhlmann
    A forum for all mathematicians who work in valuation theory or apply valuation theoretical results in their own field of research. The home page offers: information about conferences and special events; names and email addresses of mathematicians working ...more>>

  36. Vancouver Math Tutor - Vlad
    Tutoring services for the Vancouver, B.C. (Canada) area; articles on tutoring; and algebra and probability materials used in tutoring. ...more>>

  37. Variable Force and Mass: Rocket Liftoff - Boyd Gatlin, Mississippi State University
    The liftoff and flight of a rocket is a physical phenomenon. But in order to analyze the process, or to predict future rocket flights, we need to be able to model the process - or at least some simplified version of it - with mathematics. Actually, the ...more>>

  38. VassarStats Statistical Computation - Vassar College
    Online Javascript programs on topics such as statistical tests, simulation, correlation and regression: procedures applicable to categorical frequency data; procedures applicable to proportions; procedures applicable to ordinal data; correlation and regression; ...more>>

  39. Vector Arithmetic Java Visualization - Vladimir Sorokin; University of Kentucky
    An applet with which to visualize addition, substraction and scalar multiplication of vectors on the XY plane. This demonstration was created as part of the PHY211 Undergraduate Physics Laboratory Educational Page at the Department of Physics and Astronomy ...more>>

  40. Vector Calculus - Carlen, Herod, Harrell; Georgia Tech
    Maple- and Mathematica-based lecture notes; also class notes covering material throughout the course, including interactive Java applets. Mathematics addressed includes: iterated integrals; Theorem of Pappus; integration of polar coordinates; tangent ...more>>

  41. vector.calculus.net (calculus@internet) - Christopher A. Barker
    Core topic and course syllabi and menus for Vector/Multivariable calculus dealing with the calculus of many dimensions, specializing in computer visualization and interaction. Three-dimensional space geometry; Vector arithmetic and geometry; Derivatives ...more>>

  42. The Vector Cross Product: A JAVA Interactive Tutorial - McNamara, Middleton, Schiff; Dept. of Physics, Syracuse University
    You will see a drawing in which the vector labeled c is calculated according to your specifications for the vectors a and b. You move these by clicking on their tips and dragging them around the plane with the mouse. You can also "spin the plane" by clicking ...more>>

  43. Vector field analyzer II - Matthias Kawski; Arizona State University
    An applet for visualization of, and experimentation with, many aspects of vector calculus. These include zooming to see the derivative of a vector field (including divergence and scalar curl), visualizing the action of the (nonlinear and linearized) flow(s) ...more>>

  44. Vector Land: An Introduction to 3D Vector Analysis - Paul Kirby
    An online course offering Java applets and 3D graphics to teach 3D vectors and related topics such as 3D graphics programming and Newtonian mechanics. Contents: 3D Vectors; The Dot Product; The Cross Product; the Vector Equation of a Line; The Vector ...more>>

  45. Vectormind.com
    A resource library for various subjects ranging from mathematics, to science, to software programming, to Web page development. Each category is updated frequently; existing topics are also improved and updated. ...more>>

  46. Vectors & Trigonometry - Dave Mason
    Problems: Converting from Polar to Cartesian Coordinates; Adding Vectors; Hexagon Inscribed in a Circle; The Earth Curving Away From You; Surveying with a Protractor. ...more>>

  47. VedicMaths.Org - Clive Middleton, Kenneth Williams, and Mark Gaskell
    Learn about the ancient system of mathematics of the Vedas through interactive tutorials, research and teaching articles, recommended books and websites, a list of sutras translated from the original Sanskrit, a calendar of events, newsletter, and references ...more>>

  48. VEE: The Visual Elements of Euclid - Ralph Abraham
    The Euclid Project is an exfoliation of the Elements of Euclid, the most important math text of all time. It will encompass several books, a CD-ROM, and an educational environment on the World Wide Web. Its components are: The Visual Elements of Euclid ...more>>

  49. VIAS Encyclopedia - Hans Lohninger, Virtual Institute of Applied Science
    An online encyclopedia of science topics, with a Mathematics section as well as a German/English dictionary. ...more>>

  50. The Vibonacci Numbers (Computing Science) - Brian Hayes, American Scientist
    A new mathematical constant, from a branch of the Fibonacci number family in which, instead of always adding two terms to produce the next term, you either add or subtract, depending on the flip of a coin at each stage in the calculation. Hayes writes, ...more>>

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