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  All Sites - 1701 items found, showing 1201 to 1250

  1. Pascal Triangle Applet - Sergey Butkevich
    An applet that graphically presents Pascal's triangle modulo an integer number p; i.e. it computes the binomial coefficients. It can draw triangles with up to 650 rows with a p value between 2 and 30,000 (though it's not very clear above 15,000). The ...more>>

  2. Patternbee Multiplayer Spatial Reasoning - Jordan Pollack
    In this version of tangrams, pairs of learners create the puzzles for each other to solve, which can be at different levels of difficulty. Requires free registration to play, as this is an educational psychology research project. ...more>>

  3. Pattern Exploration: Integrating Math and Science for the Middle School - Martin Logan et al.
    Download PDFs of lesson plans from units such as The Pascal-Sierpinski Connection, Branching Patterns in Trees, Lessons in Paper Folding, Fractal Wallhanging, Patterns in Nature, Scaling and Dimension, and more. With accompanying Java applets and Cabri ...more>>

  4. Pattern Recognition Student Projects, 1997 - Godfried Toussaint, McGill University
    A variety of student projects: papers presented on the Web, many with Java applets. Topics include: Skeletonization Algorithm of Hilditch; Alpha Shapes; Didier K-Means Algorithm; The MIT Reading Machine for the Blind; Distance Transforms; Midpoint Smoothing; ...more>>

  5. Patterns and Magic Squares - Recmath
    This page looks at a particular subset of Magic Squares, those of order four which are 'continuous' (also known as pan-diagonal, Nasik and Jaina). It explores the patterns possible when the numbers in these kinds of squares are represented by a set of ...more>>

  6. Patterns in Mathematics (Teachers' Lab) - Annenberg Media
    This lab, based on the professional development series and workshops broadcast on the Annenberg/CPB Math and Science Project Channel, explores patterns as they occur in logic, numbers, and words, focusing on how to develop "function sense" without simply ...more>>

  7. Paul Trow's Math Page - Paul Trow
    Trow's interactive web pages and perl software let you graph the Lotka-Voltera equations and see interconnected predator and prey populations plotted over time; model the trajectory of a cannonball for different muzzle velocities and angles of elevation, ...more>>

  8. Pauly's Playhouse.com - Paul Limmer
    Games, tutorials, and cartoons starring animated cartoon figures. Math concepts include counting, adding, subtracting, multiplying, dividing, identifying shapes, and matching shapes. All require Shockwave. ...more>>

  9. Pédagogie - Olivier Batteux
    Maths-Rix et Labymath sont des logiciels présenté sous forme de labyrinthe où il faut choisir des portes qui correspondent à des choix opératoires en vue des résoudre des problèmes concrets. Découvre ...more>>

  10. Pearson Math Stats - Pearson Learning
    Pearson Learning brings you free activities for students to use with Wolfram|Alpha. The questions teach input and command syntax or reinforce answer interpretation or the concepts of intermediate algebra. ...more>>

  11. Pentominoes - Robert Simms; Dept. of Mathematical Sciences, Clemson University
    A Java applet spatial relations game. Try to place the pieces in the box with no overlapping. With detailed instructions, source code, development stages of the applet, and related links. ...more>>

  12. Pentomino - K.S.O. Glorieux Ronse, Belgium
    An introduction to polyominoes, with a site-wide focus on pentominoes. The site features puzzles and contests, as well as galleries of pentomino constructions and problems, such as how to form letters of the alphabet and silhouettes of zoo animals. Available ...more>>

  13. Pentomino puzzles - Mike Frost
    Rotate pentominoes to tile an 8×8 grid. This JavaScript-powered online puzzle lets you select from a variety of decorative patterns and graphic designs. ...more>>

  14. Percentage Calculator - Chris Misenheimer
    JavaScript percentage calculator; percentage calculator in common phrases; percent calculator; add or subtract a percentage (tips, percent off, sales price, tax); percent change; percent error; and percent difference. ...more>>

  15. Periodic Points of Quadratic Polynomials - Cut the Knot!, Alexander Bogomolny
    The main purpose of the Mandelbrot set is to index Julia sets corresponding to various values of the parameter c... iterations inside M evolve differently depending on the value of c. (You may explore some iterations via the applet supplied.) An interactive ...more>>

  16. Permadi.com - F. Permadi
    Java and Flash applets: logic games, drawing and pattern-making programs, Conway's Life, and more arcade-style offerings. Also includes tutorials in using Flash and a graphics gallery. ...more>>

  17. A Personal-Math-Online-Help.com - Marko Ignjatijevic
    Practice the basic operations of adding, subtracting, multiplying, and dividing single-digit and multi-digit positive whole numbers. Submit your answers online to check them, or click the "show solutions" buttons to see the correct answers; the "try again" ...more>>

  18. Phase Portraits for ODE's and Autonomous Systems - Mansfield, Beukers; Mathematics Dept., Penn State University
    A Java applet that allows the user to draw the direction field and integral curves of an ODE. You may also plot a single first order equation by letting x'=1. Or better yet, since dy/dx = y'/x', to solve dy/dx = f(x,y), choose any two functions whose ...more>>

  19. Phyllotaxis - Pau Atela, Chris Golé; Smith College
    An interactive site for the mathematical study of plant pattern formation. Sections of the site include: Introduction to Phyllotaxis (classification, Fibonacci/golden angle, microscope, mathematical model, and lattices); history; glossary; references; ...more>>

  20. Physics 109N: Galileo and Einstein - Michael Fowler; Dept. of Physics, University of Virginia
    A course that explores two revolutions in our perception of the universe. The first, in which Galileo played the leading role, was the realization that what we see in the heavens - the moon, the planets, the sun and stars - are physical objects. The second ...more>>

  21. Physics Simulations in Java - Erik Neumann
    Twenty different Java-based, interactive, classical mechanics simulations: springs and masses, pendulums, roller coasters, etc. Move objects or change parameters like gravity, friction, etc. Full math explanations and free source code is provided. ...more>>

  22. Pick a number from 1 to 10 ... for SCIENCE! - Alec Perkins
    "When asked 'pick a number from 1 to 10,' people tend to pick certain numbers more than others, in particular 7 and 4 over the extremes...." Participate by choosing your own number; see bar graphs and line plots of data submitted thus far according to ...more>>

  23. Pick's Theorem - Cut the Knot!, Alexander Bogomolny
    A description with proof of Pick's theorem, including links to further pages including exercises with an applet for the geoboard, Farey Series, and Stern-Brocot Tree. An interactive column for MAA Online that uses a Java applet to simulate a puzzle or ...more>>

  24. Pico Firme Bago - Evan M. Fuchs
    A Flash-based logic/deduction game, similar to Mastermind. Originally created as an online version of a game used in the author's 5th grade class. ...more>>

  25. PiNation.com - Hugh Bell
    A site to "... just enjoy pi. Leave the math aside. Don't even think about the circumference of a circle." Create unique representations of the decimal expansion of pi with the Pi-Art Tool: choose the color for each digit, the number of decimal places, ...more>>

  26. Pi-Search
    Search the first four billion binary digits of Pi for a string. Enter the string in hex (4 bit) or character (5 bit) format. Includes some statistics (probability of occurrence of characters, digits). Related links include articles and papers. ...more>>

  27. Place Value - Cut the Knot!, Alexander Bogomolny
    Dictionary definitions of place value and what they lack; the emphasis on place value in the NCTM Standards; its importance in understanding our numeration system; how it arises from one of several possible representations of grouping in the counting ...more>>

  28. Planarity Flash Game - John Tantalo
    Arrange the vertices such that no edges overlap. Solve graphs of increasing difficulty, accumulating points based on the number of moves and the time it took to make them. ...more>>

  29. Plane Graphic Calculator - J. E. Lillge
    A Java calculator that can plot graphs of mathematical functions. Intended primarily as an educational aid to understanding the geometric interpretation of mathematical functions, it also supports complex numbers, vectors, and parametrically defined functions. ...more>>

  30. Plane Isometries - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
    A collection of basic facts and partial explanations on plane isometries. With accompanying Java applets for translation, reflection, rotation and glide reflection. ...more>>

  31. Planetqhe (Probabilistic Learning Activities Network) - David Kay Harris
    Out-of-the-ordinary probability problems. The site focuses on using methods of probability to solve counter-intuitive problems and deepen students' understanding and competence in the domain. Sections include: a brief history and rationale of the site; ...more>>

  32. Plastelina Logic Games - Plastelina
    Free Flash games include classic constrained "crossing" problems, such as the puzzle of ferrying a wolf, a sheep, and a head of cabbage across a river in a boat that only holds any two of them at once, without leaving the wolf and sheep alone in each ...more>>

  33. Platonic Solids - Buckley; Metropolitan School District of Pike Township, Indianapolis, IN
    A demonstration of the construction of the five Platonic Solids from Book 13 of Euclid's Elements. Contents include: Prop 13 - pyramid; Prop 14 - octahedron; Prop 15 - cube; Prop 16 - icosahedron; Prop 17- dodecahedron; and a Glossary Of Terms. ...more>>

  34. Platonic Spheres (Dr. Neubert's Website) - Karl-Dietrich Neubert
    A systematic approach to generating the Platonic bodies, using Java applets. A major aspect is the inclusion of Descartes' concept of angular deficit as a measure of curvature. An extension of Platonic bodies to Platonic spheres. ...more>>

  35. Play a Piano : An interactive Musical Java Activity - Paul Flavin
    Play a Piano / Synthesizer / Oscilloscope: Play the piano using your mouse or computer's keyboard. Watch the wave forms as well as hear them. This virtual reality Java piano lets you play the piano and have a little fun while learning the relation between ...more>>

  36. The Playground of Mathematics - Cilenia
    JavaScript practice in addition, subtraction, multiplication, division, time, and comparison ("greater than, equal to, or less than"). Select difficulty, complexity, position of unknown, duration, and other settings. Also available in Russian, Italian, ...more>>

  37. A Playground of Thoughts - Takasugi Shinji
    Takasugi's "Number Systems of the World" lists dozens of languages; how to count from zero to one hundred in each; and the mathematical meaning of the expressions for each numeral. For example, the French say "93" with quatre-vingt-treize, which means ...more>>

  38. PlaytoLearn.com - Fenzi Designs
    These flash cards and other tools help students in grades K-5 learn the basics of math, tell time, count money, add, subtract, multiply and divide. ...more>>

  39. Plot a Graph - Vladimir Sorokin; University of Kentucky
    An applet that allows you to enter and plot functions of one variable. Enter an expression with a variable x to be plotted, the number of points to calculate, and the range of your variable in the corresponding textfields below the plotting area, and ...more>>

  40. Plot Graphs - Philipp Wagner
    Plot multiple two- or three-dimensional graphs, including of parameterized functions and derivatives, in one and the same graph. Key in equations with the WYSIWYG formula editor. ...more>>

  41. Plotting Linear Equations - SPICE: Standards-Based Products for Interactive Classroom Education
    An interactive workspace for graphing points, ordered pairs, lines, and planes. SPICE On-line modules are constructed with three separate but functionally linked areas, Instructions/Lessons, Display/Work Space, and Assessment. Detailed directions are ...more>>

  42. Plouffe's Inverter - Simon Plouffe
    A database of more than 84,800,000 mathematical constants like Pi, Sqrt(2), Catalan and Euler's gamma. Enter a number, search or browse, and the programs will find what the number is made of. From the author of the Encyclopedia of Integer Sequences (with ...more>>

  43. Podcast Directory: Math - Podseek
    Podcasts of various math instruction and tutorials. Log in to rate or review the links. ...more>>

  44. Poisson Pit: Poisson Probability Calculator - Chuck Anesi
    Variously called the Poisson Distribution, Poisson Law of Large Numbers, or Poisson Distribution for Rare Events, the probability function for this discrete distribution of one parameter is given on this site. The Poisson distribution is usually employed ...more>>

  45. Poles and Zeros of a Causal LTI System - Manfred Thole
    A Java applet that shows the domain of a system whose transfer function has two poles and two zeros. Poles and zeros can be dragged with the mouse. The amplitude response and the phase response are shown along the side. Plot: |H(s)| may take a while. ...more>>

  46. Poliplus Software
    Educational computer algebra, geometry, trigonometry, calculus software for Windows and Macintosh, and Java. Formulae 1 (F1) is a computer algebra system designed for the teaching and exploration of Mathematics. EqnViewer is a Java applet that allows ...more>>

  47. Polygons: formality and intuition - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
    A discussion of the definition of a polygon (is it desirable to allow overlapping vertices?), mathematical notation, an interactive exploration of Grünbaum's transformation and a generalization of Napoleon's Theorem, billiard tables, and the flexibility ...more>>

  48. Polyhedra - Rolf Asmund
    A gallery of regular polyhedra, snub uniform polyhedra, deltahedra (polyhedra consisting only of equilateral triangles), and polychora; with animations, still graphics, and some taxonomic data (vertices, edges, faces, polygons, radii, and more). Mobius ...more>>

  49. Polynomiography - Bahman Kalantari
    Polynomiography is the "art and science of visualization in approximation of zeros of polynomials. This visualization is via fractal and non-fractal images created based on the mathematical convergence properties of iteration functions." The galleries ...more>>

  50. Polyominoes - Kevin Gong
    Information and Polyominoes software to download. A polyomino is a piece made up entirely of squares connected edge-to-edge. For example, a domino is a polyomino with 2 squares. In this program, you can use pentominoes, tetrominoes, trominoes, hexominoes, ...more>>

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