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  All Sites - 7025 items found, showing 5051 to 5100

  1. Play Ball (SMILE) - Roslyn N. Matthews, South Shore High School
    A baseball lesson designed to teach students to compute batting and earned run averages; given general dimensions of the playing field and some equipment, change the units to the metric system; find the diagonal distance from 3rd base to 1st base; and ...more>>

  2. 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>>

  3. Playing with Ruth-Aaron Pairs - Ivars Peterson (MathLand)
    On April 8, 1974, Henry (Hank) Aaron hit his 715th major league home run, surpassing the previous mark of 714 career home runs long held by baseball great Babe Ruth. Understandably, the event received considerable coverage in newspapers and magazines ...more>>

  4. Playing Your Cards Right - Ivars Peterson; Science News Online
    Researchers in Alberta are working to create a computer program that plays championship poker. The current version of the Alberta poker program, named Loki for the Norse god of mischief and chaos, already plays a strong game, but it isn't ready yet to ...more>>

  5. Play With Your Math - Kelly, JOEY; and Yu, Xi
    Biweekly math problems that "require you to try, fail, and adjust many times before finding a solution." Each short, provocative question comes illustrated and ready to print out in large type on 33" × 40" dimensions: Space Race, Star Polygons, ...more>>

  6. Plexagon - Pleated Hexagon - Paul Bourke, Ron Evans
    Plexagon is a new modular geometry based on the radial pleating of polygonal plates, and their joining or co-bracing into 3D modules. This engineering approach can form a very practical basis for modular greenhouses (using recycled plastic sheeting) and ...more>>

  7. Plimpton 322: The Ancient Roots of Modern Mathematics - Laurence Kirby
    A video documentary of our mathematical ideas from ancient cultures in the Middle East, Asia and Africa, and how they remain relevant in modern society and technology. The 33-minute film includes footage of a 4,000-year-old cuneiform tablet known as Plimpton ...more>>

  8. 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>>

  9. Plumbing Statistics and Information - PlumbingSupply.com
    Conversions, formulas, and tables about water weights, pressures, flows, volumes, horse power, pump efficiency, the weight of 100 yards of pipe filled with water, and flow rate to velocity comparisons. Also, a water flow rate guide and abbreviations. ...more>>

  10. Plusepsilon.de - Marc Palm
    Question-and-answer German language platform for undergraduate and graduate math students. Browse or search questions by users, by tags of math topics, and other options. Not intended as a discussion platform, Plusεpsilon rewards participation ...more>>

  11. Plus Magazine - Department of Applied Mathematics and Theoretical Physics, University of Cambridge
    Plus (formerly PASS-Maths) is a triannual online magazine for older pupils and the general public. It publishes articles explaining the diverse applications of mathematics used in solving problems in physics, chemistry, biology, engineering, and economics. ...more>>

  12. PM Zone Science Search - Popular Mechanics
    Enter words describing a concept or keywords you wish to find information about to conduct a keyword search of the science/technology magazine Popular Mechanics. For topics other than science, see the PM Search Page. ...more>>

  13. PNA: Revista de Investigación en Didáctica de la Matemática
    PNA is a peer-review open access research journal published by the Spanish research group "Mathematics Education. Numerical Thinking" of the Andalusian Plan of Research. This journal includes papers in English and Spanish related to the teaching and learning ...more>>

  14. PNC Christmas Price Index - PNC Bank
    PNC calculates the Christmas Price Index each year as a fun, lighthearted way to look at the increasing cost of goods and services in the song, "The Twelve Days of Christmas." Areas of their site include a video presentation, an interactive chart, and ...more>>

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

  16. Poe, E.: Near a Raven - Mike Keith
    An attempt at constrained writing - the art of constructing a work of prose or poetry that obeys some artificially imposed condition. "Near a Raven" encodes the first 740 decimals of pi. ...more>>

  17. Poe's Secret - Ivars Peterson (MathTrek)
    Writer Edgar Allan Poe (1809-1849) is famous for his short stories of the mysterious and the macabre. His popular tale "The Gold-Bug," published in 1843, is often cited as one of the best works of fiction that turn upon a secret message. Poe had a longstanding ...more>>

  18. Poetry Patterns (TEAMS) - Jeannie Toshima; TEAMS Distance Learning, Los Angeles County Office of Education
    Mathematical patterns in numbers and in poetry. This activity involves students in writing two forms of poetry - diamante and cinquain - that involve mathematical word patterns. ...more>>

  19. Poincaré Notes - Dave Wilson
    "A massively disorganised collection of macros and figures for the Poincaré Disk model of hyperbolic geometry." A page describing some Cabri macros relating to hyperbolic Geometry in the Poincare disc model. ...more>>

  20. 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>>

  21. Poker Probabilities - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about poker probabilities, such as "In a standard deck of cards, how many different ways are there to get a straight, a flush, a straight flush, one pair, or two pairs?" ...more>>

  22. Polaroid Geometry Scavenger Hunt - Math Forum
    This activity presented by Ruth Carver at the Math Forum's 1996 Summer Institute, "Constructing Mathematics on the Internet," displays pictures of items found on this a hunt for a list of geometric items (tessellations, symmetry, concentric circles, shapes, ...more>>

  23. 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>>

  24. POLYA: Cooperative Solutions of Difficult Problems in Elementary Mathematics - Paul Yiu and Xiaodong Zhang, Moderators; Department of Mathematical Sciences, Florida Atlantic University
    An archived discussion group for the cooperative solution of difficult problems in elementary mathematics through calculus, "preferably non-technical in nature." ...more>>

  25. Poly and Poly Pro - Pedagoguery Software
    Mac and Windows shareware programs for exploring and constructing paper models of polyhedra. With Poly, you can manipulate a polyhedral solid on the computer and print out a flattened version (a net) which can then be cut out, folded, and taped, to produce ...more>>

  26. Polyedergarten - U. Mikloweit
    Photographs of paper models of uniform polyhedra, prisms and compounds. Versions of the site also exist in German and French. ...more>>

  27. Polygon Diagonals - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about polygon diagonals, such as "How many diagonals can be drawn for a polygon with n sides?" ...more>>

  28. PolygonFlux - John Miller
    An iPad app for exploring the path taken by a point bouncing around inside a regular polygon of 3 to 14 sides. Set the initial angle and starting location, the number of bounces, and the number of sides for the polygon; collect an album of resulting "fluxagons" ...more>>

  29. 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>>

  30. Polygons Made To Order (SMILE) - Loretta Malone, Washington High School
    A lesson designed to teach students to construct a regular polygon inscribed in a circle by using isosceles triangles with vertex angles at the center of the circle and legs as radii; determine the values of the angles; and discover that as the number ...more>>

  31. Polygons, Polyhedra, Polytopes - Russell Towle
    Polytope is the general term of the sequence, point, segment, polygon, polyhedron, ... . Towle offers several pages devoted to the theory of polytopes, from polygons to star polytopes in 4-space, including Mathematica notebooks with constructions. ...more>>

  32. PolygonTrix - John Miller
    A "polygon billiards" app for the iPad. Sink simple straight-in shots, without any deflections; challenge yourself to bank the cue ball into the pocket after as many as ten caroms off the bumpers; or explore the developer's exercises. Switch amongst a ...more>>

  33. Polyhedra and Polytopes (The Geometry Junkyard) - David Eppstein, Theory Group, ICS, UC Irvine
    An extensive annotated list of links to material on geometric properties of polygons, polyhedra, and higher dimensional polytopes (particularly convex polytopes). ...more>>

  34. Polyhedra Collection - V. Bulatov
    Galleries of polyhedra shown using JPEG pictures and 3D objects in VRML2.0 format. Uniform polyhedra; Duals; Compounds; Johnson's solids; 59 stellations of icosahedron; 270 stellations of deformed dodecahedron; symmetric stellations of rhombic triacontahedron: ...more>>

  35. Polyhedra (Geometry and the Imagination) - Conway, Doyle, Gilman, Thurston; The Geometry Center
    A polyhedron is the three-dimensional version of a polygon, a three-dimensional figure made by gluing polygons together. This handout discusses polyhedra, presents explorative activities, and supplies a "homework" assignment. Includes the first 20 Greek ...more>>

  36. Polyhedral Solids - Tom Gettys
    The study of polyhedra is one of those special areas of Mathematics which allow the amateur and expert to work with an equal delight. The Platonic Solids; The Archimedean Solids; The Kepler-Poinsot Polyhedra; Compound Solids; Stellated Polyhedra. See ...more>>

  37. Polyhedra - Peter Cromwell
    Ancient manuscripts from Egypt and China relate ideas concerning the calculation of the volumes of polyhedra, while the Greek tradition of geometry gave us the construction of the regular polyhedra or Platonic solids. In modern times, polyhedra and their ...more>>

  38. Polyhedra plaited with paper strips - H. B. Meyer
    A guide to generating certain polyhedra (Platonian, Archimedian and other solids) by plaiting paper strips (glueless method). In several cases pattern download of the paper strips is possible. In German and English. ...more>>

  39. 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>>

  40. Polyhedra Sketches - Bill Finzer, Key Curriculum Press
    Sketches showing the platonic solids in true perspective. You have control over the placement of the picture plane, the station point, and the horizon. An animation button rotates the figure. Some of the sketches show in 3D if you have a pair of 3D glasses. ...more>>

  41. Polyhedra Study - Ha Le
    An attempt to bring out the beauty of polyhedral study in particular and of mathematics in general via the use of the geom3d package in Maple and VRML (Virtual Reality Modelling Language). Categories: regular polyhedra; Archimedean solids; duality; facet; ...more>>

  42. Polyhedron: An application in solid geometry - Stelian Dumitrascu
    Software based on "deduction-free geometry," which allows the user to perform various actions upon solids as if holding these solids in your hands. It simulates a number of tools, such as the ruler, protractor, setsquare, compass, bisector, saw, and eraser. ...more>>

  43. Polyhedrons: PolyMod Polyhedron Modeler - Daniel Grunberg
    Free software for creating regular and irregular 3-dimensional polyhedrons on the screen, view them from different angles, then print out their corresponding nets or templates to glue together to form the polyhedron. ...more>>

  44. Polyhedron Templates - Dan Grunberg
    Design your own polyhedron paper models to print out, cut, fold, and assemble with glue. Build a net by choosing from among the five Platonic solids (tetrahedron, hexahedron, octahedron, dodecahedron, icosahedron), or use the advanced button to specify ...more>>

  45. Polymorf - Rick Engel
    A math manipulative, construction set toy, model building kit, and 3D puzzle all in one, used for modeling polyhedra and the structure of molecules and crystals. Build life-like geometric models of creatures, vehicles, and structures. For all ages. ...more>>

  46. Polynomials Calculator - Xavier R. Junqué
    These online and downloadable calculators for basic math and polynomial operations handle matrices and output their inverses, determinants, eigenvalues, eigenvectors, cofactors, adjoints, transposes, Jacobians, and Jordan forms; calculate derivatives ...more>>

  47. Polynomials - Project MATHEMATICS!, California Institute of Technology
    A videotape-and-workbook module that explores a basic topic in high school mathematics in ways that cannot be done at the chalkboard or in a textbook. Animations show how the Cartesian equation changes if the graph of a polynomial is translated or subjected ...more>>

  48. 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>>

  49. Polyominoes - Cynthia Lanius
    What do dominoes and Tetris have in common? Both games use pieces that are formed of squares placed side by side. Dominoes use 2 squares; Tetris pieces (or tetrominoes) use 4 squares. Mathematician Solomon Golomb, in a 1953 talk at the Harvard Mathematics ...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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