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  All Sites - 6879 items found, showing 5401 to 5450

  1. The RetroPsychoKinesis Project - Peter Moore and John Walker
    Retropsychokinesis (RPK) is the claimed ability of certain subjects to alter random data generated, but not examined, prior to the time the data are presented to the subject. Read about or run bell curve, clock face, or pendulum feedback programs (Java ...more>>

  2. Retrosheet
    Digitizing play-by-play accounts of Major League Baseball games from the past century through the present. Freely download event files, which detail "literally every play" in big league baseball; game logs; schedules; narratives, which provide text play-by-play ...more>>

  3. The Return of Odysseus and the Elements of Euclid - Andrew Wiesner; Classics Dept., Colorado College
    The author's 1994 honors thesis, which attempts to shed new light on the origins of Greek mathematics. ...more>>

  4. Return of the Mathematical Tourist - Ivars Peterson (MathTrek)
    In the newly published, updated edition of The Mathematical Tourist, Peterson writes, "...computers have become commonplace tools used by nearly all mathematicians, not only to communicate with each other but also to explore mathematical questions... ...more>>

  5. The Return of Zeta - Ivars Peterson (MathTrek)
    The Riemann hypothesis is widely considered the outstanding unsolved problem in mathematics. Generations of mathematicians have been lured into hunting for a proof of this celebrated conundrum. All have so far failed. Lately, however, a cautious optimism ...more>>

  6. Return to Socrates - Ion Saliu
    BASIC programs for download cover topics such as the birthday paradox, card shuffling, bell curves, permutations, combinations, and a wide range of games of chance, including lotteries, lottos, Powerball, Mega Millions, Pick-3, Pick-4, Keno, roulette, ...more>>

  7. Reuleaux Triangle - Paul Kunkel
    An investigation into the Reuleaux triangle and its properties. ...more>>

  8. ReviewMaster - Intecube Technologies Ltd.
    Math review material suitable as reference guides, study aids, or teacher aids for students and teachers. Available for laptops as eBooks, and for handhelds such as the Palm PDA and the Pocket PC. ...more>>

  9. A Review of Logarithms (S.O.S. Mathematics) - Dept. of Mathematical Sciences, Univ. of Texas at El Paso
    Since logarithms are exponents, the page presents a brief history of logarithms and reviews exponential functions before continuing on to logarithms and logarithmic functions. ...more>>

  10. The Review Zone - Tina Velgos
    In-depth software reviews for parents and teachers. CD-ROM Reviews in all major educational topic categories including Math and Science; also an alphabetical CD-ROM index of all titles reviewed, each title with the recommended age or grade level. ...more>>

  11. Revision Universe - Arnav Rawat
    Downloadable worksheets with questions on cumulative frequency; line graphs; mean, mode, median and range; pie charts; curved graphs; expanding brackets; graphical solution of equations; ratio; trial and improvement; area and perimeter; density, mass ...more>>

  12. Rhombic Dodecahedron: Hidden Within or Surrounding the Cube? - Joyce Frost, Kris Koch, Park City Mathematics Institute
    This activity illustrates the interconnections between a cube and a rhombic dodecahedron, using a Zome Tool or drinking straws and ribbons. One of the PCMI Resources for Teachers. ...more>>

  13. Rice Mathematics Tournament - Rice University, Houston, TX
    An annual event for high school students and teams from schools in the Texas/Louisiana area, organized by Rice University undergraduates. Rules, schedules of events, sample problems from previous tournaments, and results of previous contests (1995-99) ...more>>

  14. Rice University School Mathematics Project (RUSMP) - Wells, Papakonstantinou; Rice University Center for Education
    A project established to serve as a bridge between the Rice University mathematics research community and Houston area mathematics teachers. It sponsors a variety of professional development workshops, fosters reform efforts, encourages the effective ...more>>

  15. Rice Virtual Lab in Statistics - David M. Lane, Rice University
    A comprehensive interactive resource for studying statistics, in four modules: HyperStat Online--an introductory-level hypertext statistics book, with links to other statistics resources on the Web; simulations/demonstrations--Java applets that display ...more>>

  16. RICHplot - Richard Davies
    A Java applet for plotting user-defined trigonometric functions. Includes the following functions: sin, cos, tan, abs, sqrt ,+ ,- ,* ,/ ,^ (power function), asin, acos, atan, ln (log to the base e) and exp. Requires a Java-enabled browser. ...more>>

  17. The Ri Christmas Lectures - The Royal Institution of Great Britain
    Register to watch the demonstration-packed, fun-filled videos that have formed a part of the British Christmas tradition for generations: "The natural history of a sunbeam," by George Porter; "Mathematics into pictures," by Christopher Zeeman; "Crystals ...more>>

  18. Rich Starting Points for A-Level Core Mathematics - Jonny Griffiths
    Download PDF task files of 40 open-ended investigative activities for the A Level Pure Mathematics classroom: basic algebra, coordinate geometry, polynomials, curve sketching, uncertainty and inequalities, indices and surds, sequences and series, differentiation, ...more>>

  19. The Ridiculously Enhanced Pi Page - The Exploratorium, San Francisco, CA
    Pi Day celebrations, Pi music, links, beads, and pie. A certified 98% content-free page. ...more>>

  20. Riding on Square Wheels - Ivars Peterson (MathTrek)
    A square wheel may be the ultimate flat tire. There's no way it can roll over a flat, smooth road without a sequence of jarring bumps. However, a square wheel can roll smoothly, keeping the axle moving in a straight line and at a constant velocity, if ...more>>

  21. The Right-Angle Triangle Solver - Steve Ayers
    Input two sides of a right triangle, or one of its sides and one of its angles, and this site calculates the remaining sidelengths and angles. Also, convert decimals and fractions, and imperial and metric units of measure. Requires JavaScript. ...more>>

  22. Right Brained Math - Brandon Price
    "Searching for divergence and creativity in all that math-y stuff." Price teaches algebra, geometry, statistics, and robotics at Austin's Khabele School, an International Baccalaureate (IB) World School. His blog, which dates back to March, 2013, has ...more>>

  23. Rigol'Math: énigmes, problèmes et curiosités mathématiques - Jean-Marc Deleuze
    Le calcul de Pi; le Jeu de Nim; Convertisseur base 10 --> base 2; Multiplier sur les doigts; Multiplication égyptienne; Le carré magique; TicTacToe; Coloriage; et beaucoup plus. ...more>>

  24. Rincón Matemático - Mario Augusto Bunge
    Revista electrónica de matemática básica. Temas de análisis, cálculo, geometría, probabilidades. Problema del mes. Foros. ...more>>

  25. Rincón Matemático Tests interactivos - Mario A. Bunge
    Exámenes multiple choice de Precálculo, Matemática, Análisis Matemático y Álgebra lineal. Cada examen se presenta en dos formatos: PDF y HTML. El PDF se imprime y se utiliza como una hoja de examen. Realizada la prueba, se recurre al HTML (quiz ...more>>

  26. Rinus Roelofs
    Geometric sculpture, animation, structures, and "rhinoceros" (knots) by Roelofs, who exhibited as part of the Escher Centennial celebrations. After studying Applied Mathematics at the Technical University of Enschede (Netherlands), Roelofs earned a degree ...more>>

  27. The Rise of Calculus - MacTutor Math History Archives
    Linked essay describing the history of Calculus from the Greeks through Newton and Leibniz, with 28 references (books/articles). ...more>>

  28. Risorse Internet per la storia della matematica - Claudia Lamberti
    Internet resources for mathematics, science, and engineering history selected from the University of Pisa Libraries. ...more>>

  29. Rite Item - Jim Preston
    Software to download: ANYANGLE (Windows, DOS; a geometry solver that provides a method of finding answers to problems involving triangles, and offers scale views and supplementary data to back up the numerical results); and PARTYDOT (a program for creating ...more>>

  30. Rivendell Educational Archive - Leigh Denault
    An educational archive of materials in botany, history, math, science, drama, literature, philosophy, and art. Math resources include mathematician biographies, a fractal image gallery, and a bibliography. ...more>>

  31. River Crossing (Math Exploration Quilt) - Rik Littlefield; Hanford School
    You want to cross a river to reach a point exactly opposite where you are currently standing. Explore this problem step-by-step, encountering the following basic ideas: 1) Pythagorean theorem; 2) time = distance / speed; 3) distance = time * speed; 4) ...more>>

  32. Riverdeep | Mathematics - Riverdeep Interactive Learning Limited
    Online resources for students, educators, and parents, that build on Riverdeep Interactive Learning's courseware and interactive simulations. Read about or demo Destination Math, a curriculum on CD-ROM in Basic Mathematics, Pre-Algebra, and Algebra I ...more>>

  33. RJN's More Digits of Irrational Numbers Page - Nemiroff, Bonnell
    All digits accessible here were computed by Robert Nemiroff and Jerry Bonnell. The Digit Warehouse: e, sqrts of 2, 3, 5, 6, 7, 8, 10 to millions of digits. ...more>>

  34. Road Sign Math - Jamie Thingelstad
    "Driving + Math = Fun." A game to play on the road, identifying signs that suggest basic or advanced arithmetic, or that display constants, sequences, or primes. See digital photographs of actual street and highway signs that meet the "RSM" rules. Submit ...more>>

  35. Rob Barry's Website
    Recent stories by The Wall Street Journal investigative reporter who specializes in computer-assisted reporting, which he describes as "the practice of wrestling large sets of data into compelling narratives." Barry's articles have ranged from insider ...more>>

  36. Robert Abbott's Mazes - Robert Abbott
    Two very difficult puzzles programmed by Oriel Maxime and based on mazes in Abbott's books: the Sliding Door Maze, and Theseus and the Minotaur. Also a collection of reviews of the books SuperMazes and Mad Mazes, with more puzzles (but nothing interactive), ...more>>

  37. Robert J. Lang Origami - Robert J. Lang
    Lang has catalogued and diagrammed over 400 models, combining aspects of the Western school of mathematical origami design with the Eastern emphasis upon line and form. Read about origami mathematics, which mathematically describe the underlying laws ...more>>

  38. Robert Kaplinsky - Glenrock Consulting - Robert Kaplinsky
    Lessons consist of "The Challenge(s)," "Question(s) To Ask," "Consider This," and alignments to Common Core State Standards (CCSS): "How Can We Water All Of The Grass?" and "How Much Money Should Dr. Evil Demand?" and "How Did They Make Ms. Pac-Man?" ...more>>

  39. Robert's Online Applications - Robert Lum
    Java applets to assist with financial investments: commissions pricer, derivatives pricer, loan pricer, option pricer, option strategy visualizer, portfolio pricer, quote sheet, stock volatility charts, and tax pricer (1999, 1998, 1997, 1996 or 1995). ...more>>

  40. Robo Compass
    "Geometrical constructions made easy": type commands such as "draw segment AB between points A and B" and "construct an arc z with center O and radius which is length of segment y," then watch Robocompass draw the construction onscreen with its animated ...more>>

  41. Robotic Navigation with Constraints - J. A. Sethian
    A paper and movie on robotic navigation. Finding the Shortest Path: The equation that describes the arrival time of this expanding front as it depends on the possible speed at any point and direction is the Eikonal equation. The fast marching method is ...more>>

  42. Robotics: Sensing, Thinking, Acting - The Tech Museum of Innovation, San Jose, CA
    An exibit designed to introduce the science behind the design and operation of robots. Features four exhibit areas: Universal Robots: History and Workings of Robotics; Machines and Man: Robotics and Ethics in the 21st Century; Robot Art: Four Bay Area ...more>>

  43. Rock-and-Roll Bridge - Ivars Peterson (MathTrek)
    Startling scenes of rippling pavement, featured in a classic film that captured the 1940 destruction of the Tacoma Narrows suspension bridge in Washington state, rank among the most dramatic and widely known images in science and engineering. This old ...more>>

  44. Rocky Mountain Mathematica - Ed Packel, Stan Wagon
    Introductory and intermediate workshops on Mathematica for teachers of mathematics and other scientific subjects. Workshops are held in Colorado during early July. The site includes registration information, schedule, and syllabi. ...more>>

  45. Rodney Carr's Home Page - Deakin University, Australia
    Books and software on statistics and advanced spreadsheet design. Contact the author for passwords to access downloadable documents and executable Microsoft Excel workbooks such as XLStatistics, for statistical analysis of data; XLGenetics, for illustrating ...more>>

  46. The Role of Calculators in Math Education - Heidi Pomerantz, Bert Waits for USI/CPMSA
    This PDF article outlines the benefits of calculator use in mathematics classrooms from kindergarten through the university level, describing how calculators, when used appropriately, can be a tool for learning mathematics. The document has six sections: ...more>>

  47. The Role of Examples in Learning Mathematics - Annie and John Selden; Mathematical Association of America
    "Examining examples and non-examples can help students understand definitions.... Is the provision of examples always desirable? Would it perhaps be better to ask undergraduate students to provide their own examples and non-examples? Would they be able ...more>>

  48. Roles of calculators in the classroom - Pedro Gómez and Bert Waits
    The site contains the extended papers of the conferences presented in the Topic Group 18 of the International Congress of Mathematics Education held in Seville in July, 1996. Papers are presented both as web pages and as PDF files. ...more>>

  49. Rolf's Calculator - Rolf Howarth
    A fully featured JavaScript scientific calculator that includes trig functions and logarithms, factorials, 12 levels of parentheses, logs to base 2, bitwise logical operators, hex, octal, binary and ascii display. ...more>>

  50. Rolling a Die Until Every Face Has Appeared (Math Chat) - Frank Morgan, MAA Online
    How many times do you think you need to roll a normal die to be 90% sure that each of the six faces has appeared at least once? Why? Answer: It takes 23 rolls, as Al Zimmerman discovered in a computer experiment rolling 5000 dice until 90% of them had ...more>>


 
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