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  All Sites - 1714 items found, showing 1601 to 1650

  1. Ultimate Calculators - Graham Lancaster
    Free online loan calculators, mortgage calculators (comparison calculator, basement suite calculator), investment property calculators, tax calculators, investing calculators (retirement income calculator, 401k calculator), capital budget calculators ...more>>

  2. Undergraduate Research Project in Random Tilings - Propp, Wilson
    This project investigates different regions of random tilings of nxn squares with 1x2 dominoes: square, hexagon, fortress, dungeon, and Aztec diamond (the set of lattice squares completely inside a square tilted 45 degrees, discovering that the dominoes ...more>>

  3. Understanding Temperatures - NASA Lewis Learning Technologies Project
    These were the low temperatures recorded for January 15 in these cities: Minneapolis: - 6 degrees; Cleveland: 5 degrees; Fargo: -11 degrees; Chicago: 2 degrees; Milwaukee: -3 degrees; Detroit: -1 degree. Which city had the low temperature closest to 0 ...more>>

  4. Undusting Napier's Bones - Alexandros Diploudis; Heriot-Watt University, UK
    Biographical information about the Scottish mathematician John Napier, generally considered the inventor of logarithms, with a Java simulation of Napier's bones, a method for performing arithmetic operations by the manipulation of rods (called "bones" ...more>>

  5. Une Balade dans le Monde des Polyèdres - Maurice Starck
    Les polyèdres convexes, non convexes, et intéressants: les polyèdres uniformes, les stellations de l'icosaèdre, des tétraèdres remarquables, le découpage d'un tétraèdre par un plan, les deltaèdres ...more>>

  6. Unique Online Math Flash Cards - Lambert Smith, MathRUS.com
    Customizable formatting characterizes these flash cards for addition, subtraction, some multiplication and some division. Free 30-day trial; afterwards, a subscription is pay-what-you-can. The author writes: "This website for online math flash cards differs ...more>>

  7. Unit Conversion and Day of the Week - Stephen Phillips
    Convert between units of distance, area, volume, mass, speed, temperature, pressure, energy, power, or force online, or find the day of the week for a given date. There is also a list of conversion factors for various units, including units of radiation, ...more>>

  8. 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>>

  9. 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>>

  10. Unit Converter
    Key in units to convert. Available tabs include area, volume, time, density, length, temperature, moment of inertia, forces, distributed load, bending moment, and section modulus. ...more>>

  11. 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>>

  12. Unit Measurement Conversion - NASA Lewis Learning Technologies Project
    Which statement is NOT correct? 96 cups = 6 gallons; 9 days = 216 hours; 84 ounces = 7 pounds; 2 miles = 10,560 feet. A detailed answer is provided. From NASA's 9th Grade Math Proficiency Test. ...more>>

  13. Units of Measurement - NASA Lewis Learning Technologies Project
    Which object is matched with its appropriate unit of measurement? Milligrams for the weight of a textbook; Kilometers for the length of a sailboat; Grams for the weight of a needle; Kiloliters for the capacity of a reservoir. A detailed answer is provided. ...more>>

  14. UnitWiz
    An online calculator converts units of length, area, density, energy, force, mass, power, pressure, speed, temperature, or volume. ...more>>

  15. University of South Carolina High School Math Contests - David Sumner
    Problems from the University of South Carolina (USC) High School Math Contests, since 1994. Walk step by step through illustrated solutions to each problem using the "next step" button. The delivery of questions is designed for competitive timing. Also, ...more>>

  16. 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>>

  17. 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>>

  18. Using Algebra and Discrete Mathematics to Investigate Population Changes in a Trout Pond (i-Math Investigations) - Illuminations; National Council of Teachers of Mathematics (NCTM)
    An online, interactive, multimedia math investigation that illustrates the use of iteration, recursion, and algebra to model and analyze a changing fish population. Graphs, equations, tables, and technological tools are used to investigate the effect ...more>>

  19. Using Virtual Manipulatives on the Web to Develop Number Sense - Margo Lynn Mankus
    Java applets, activities, hand-made manipulatives, and links related to the topic. ...more>>

  20. 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>>

  21. 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>>

  22. Vector Calculator - Julio Gea-Banacloche
    A Java applet intended to give students a "feel" for vectors in two dimensions. It covers components, magnitude and direction, and vector addition. ...more>>

  23. 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>>

  24. 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>>

  25. vectorkids: math flashards and learning tools - Rick Larson, vectorkids.com
    This site is dedicated to providing learning tools for elementary and middle school students. Enjoy math flashcards to strengthen basic skills, increase proficiency, and increase test scores. Subjects include geometry, fractions, divisibility rules, ...more>>

  26. 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>>

  27. Vector (Manipula Math) - International Education Software (IES)
    Java applets demonstrate vector geometry concepts: unit vector, area of a parallelogram, inner products, adding and scaling vectors, Ceva's theorem, Menelaus's Theorem, Cramer's rule, the circle of Apollonius, and more. ...more>>

  28. Vertices and Radius - Patrick Gunderson
    Dynamically draws all chords of regular polygons up to 128 sides. Adjust the sliders to change the number of polygon vertices or size of the radius. ...more>>

  29. Virtual Laboratories in Probability and Statistics - Kyle Siegrist; Dept. of Mathematical Sciences, Univ. of Alabama-Huntsville
    Interactive, Web-based modules for students and teachers of probability and statistics. Experiments are written in Java. Contents include: special models (Buffon's experiments, card experiments, Bernoulli trials, the ball and urn experiment, the matching ...more>>

  30. Virtual Math Museum - Richard Palais
    A virtual "mathematical museum" being developed and improved by an international group of mathematicians called the 3DXM Consortium (the same group responsible for the development of the 3D-XplorMath mathematical visualization program). Topics include ...more>>

  31. Virtual Nerd - Virtual Nerd, LLC
    This online tutorial service for secondary math and science students supplements its video instruction with the interactive Dynamic Whiteboard™, which takes notes for you during lessons, and lets you find definitions of terms mid-stream and write ...more>>

  32. Virtual Paper Cut & Fold - Mike Sokolov
    A Java applet and a Flash tool for folding paper online. Make snowflake patterns; learn how to create a five-pointed star with a single cut. With a gallery of folded paper creations. ...more>>

  33. Virtual Skies - NASA Ames Education Division
    Tutorials, interactive illustrations, career explorations, decision-making scenarios, and self-tests in each of the following areas: weather, aviation research, airport design, air traffic management, navigation, communication, and aeronautics. A "Teacher's ...more>>

  34. Visible Euclidean Algorithm: finding greatest common divisors - Paul Garrett
    Enter two positive integers, and click the button to see the operations of the Euclidean Algorithm. ...more>>

  35. Visual Calculus (Mathematics Archives) - Larry Husch; University of Tennessee, Knoxville (UTK)
    A collection of notes that give some ideas how technology, in particular computers, can be used in the teaching of calculus. Detailed instructions on implementing these ideas with various public domain, shareware and commercial software packages are provided. ...more>>

  36. Visual Fractions - Richard E. Rand
    A site with 19 Java programs that provide instruction and practice in identifying, renaming, adding, subtracting, multiplying, and dividing fractions. Number lines are drawn to demonstrate each example. Programs include: Identify Fractions; Identify Mixed ...more>>

  37. Visual Math for Java - Dr. Weiguang Huang
    The Java applet Visual Math is an online symbolic math and computer algebra system powered by SymbMath. SymbMath (an abbreviation for Symbolic Mathematics) is a symbolic, numeric and graphic computing environment that performs exact numeric, symbolic ...more>>

  38. Visual Math: Functions - Centre for Educational Technology (CET)
    Activities, tools, and tasks for learning about linear and quadratic functions. Contents: Linear Functions - Functions Defined on Intervals - Equivalent Expressions of Functions - Addition and Subtraction of Linear Functions - Transformations of Graphs ...more>>

  39. Visual Math Learning: An interactive multimedia tutorial - Wayne Allen Bateman
    An online tutorial, intended to teach students basic math concepts using interactive multimedia for aid in visualization. Proceed through the text (more sections are planned), or work with the individual exercises separately. ...more>>

  40. Visual Plane Geometry - Edu2000 America Inc.
    A full curriculum on CD-ROM for Windows and Mac, combining hypertext and QuickTime animations to illustrate basic plane geometry concepts, triangles, polygons, circles, and the three-dimensional world. Familiar real world examples help students visualize ...more>>

  41. Visual Solid Geometry - Edu2000 America Inc.
    A full curriculum on CD-ROM for Windows and Mac, combining hypertext, graphics, and QuickTime animations to illustrate solid geometry concepts, polyhedra and solids of revolution, and surface areas and volumes of solid figures. Typical "experiments" ...more>>

  42. Volume of Water in an Aquarium - NASA Lewis Learning Technologies Project
    How much water will fit in an aquarium that is shaped like a box and is 10 inches high, 6 inches wide, and 14 inches long? A detailed answer is provided. From NASA's 9th Grade Math Proficiency Test. ...more>>

  43. Vortex Leapfrogging Interactive Pages - Amanda Johns, The University of Surrey, England
    Interactive experiments in fluid dynamics, in particular, the motion of vortices: "A vortex is a spinning energy wheel. When you take the plug out of a bathtub, you will see that the water creates a vortex as it runs down the drain. In common usage, by ...more>>

  44. vrml.calculus.net (calculus@internet) - Curtis, Davis, Wayand
    The visual study of three-dimensional calculus using the power of VRML - Virtual Reality Modeling Language. The next generation of calculus course materials. Text in progress: Virtual Reality & 3D Calculus - addressing the question how virtual reality ...more>>

  45. VRML Gallery of Electromagnetism - Rob Salgado
    A collection of VRML worlds that visualize the vector fields of electromagnetism. Subcategories: addition; wedge product; raising and lowering of indices; unit vectors; charged point (Coulomb); two charged points; charged dipole; charged sphere; charged ...more>>

  46. Waldomaths - Ron Barrow
    Original applets on number, algebra and graphs; shape, space and measure; probability and data handling, including histograms; investigative tools (quadratic and cubic sequences); core (pure) mathematics; decision mathematics (network graphs and linear ...more>>

  47. Wallace-Bolyai-Gerwien Theorem - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
    According to the Wallace-Bolyai-Gerwien theorem, all simple polygons of equal area are equidecomposable by dissection. The site offers a proof of the theorem and several dynamic illustrations of equidecomposition in special cases. ...more>>

  48. Walpha Wiki - Derek Bruff and others
    As collaborative site to record how secondary and undergraduate math educators use Wolfram|Alpha, or Walpha as it's called here, in the classroom. In particular, the authors are interested in how students might use Walpha themselves, as well as how teachers ...more>>

  49. The Water Puzzle - Doug Ensley, Shippensburg University
    Starting with a pail of water holding some unknown quantity greater than 8 quarts, and small (3 quarts) and large (5 quarts) vases as measuring devices, explore how to split 8 quarts of water from the pail equally between two people. ...more>>

  50. Water Puzzle - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
    There are three glasses - 3, 5, and 8 oz. The first two are empty, the last contains 8 oz of water. By pouring water from one glass to another make at least one of them contain exactly 4 oz of water. Investigation into this puzzle by experimentation, ...more>>


 
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