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  All Sites - 1732 items found, showing 1351 to 1400

  1. Reasoning Mind - Reasoning Mind Inc.
    Reasoning Mind is a non-profit organization. It's also a core curriculum based on programs proven successful in Russia, China, and Singapore. A Reasoning Mind classroom combines a teacher and the computer, aiming to get kids so interested in math they'll ...more>>

  2. Rectangle Perimeter and Side Length - NASA Lewis Learning Technologies Project
    A rectangle with a perimeter of 24 inches might have adjacent sides measuring: 6 inches and 4 inches; 11 inches and 13 inches; 9 inches and 3 inches; or, 2 inches and 12 inches? A detailed answer is provided. From NASA's 9th Grade Math Proficiency Test. ...more>>

  3. Recursos de Matemáticas para 2º de Bachillerato y 1º de Carrera de Ciencias - Matemáticas de Bachiller
    In Spanish: Libros que puedes hojear; videos que puedes ver introducción al Álgebra de lo Lineal, introducción al Cálculo Diferencial, introducción al Cálculo Integral, ejercicios de examen de Selectividad, Know How; Detector de Pardillos Matemáticos; ...more>>

  4. Regression Applet - R. Webster West, Dept. of Statistics, Univ. of South Carolina
    An applet designed to teach students the effect of leverage points on a regression line. Students may add points to the plot by clicking the mouse button. By adding points far from the existing line, the regression line changes considerably. This is particularly ...more>>

  5. Regression Tools
    Online, Flash-based regression tools for linear, logarithmic, exponential, power, polynomial, multiple linear, multiple polynomial, and nonlinear regression. ...more>>

  6. Relative Prime Applet (MSTE) - Nicholas Exner; University of Illinois at Urbana-Champaign (UIUC)
    A Java applet that compairs pairs of numbers to see whether they are relatively prime. The main goal of this action is to demonstrate the theorem that the probability of two positive integers chosen at random being relatively prime is six divided by pi ...more>>

  7. Remote Interactive Optimization Testbed (RIOT) - Industrial Engineering and Operations Research, UC Berkeley
    Interactive educational and research tools for optimization problems. Applications: Learn about practical applications of optimization technology to Major League baseball, open-pit mining, computer network design, and modular parts fixturing. Experiment ...more>>

  8. Repeated Prisoner's Dilemma Applet - Mike Shor
    A repeated prisoner's dilemma game in which the user plays for twenty-five rounds against each of five different (unknown) 'personality types'. Demonstrates the value of cooperation and the ability to take advantage of some simple rules. ...more>>

  9. Research Institute of Symbolic Computation (RISC-Linz)
    The Research Institute for Symbolic Computation, RISC, is an Austrian institute devoted to the field of symbolic computation. The site includes descriptions of various research areas, such as combinatorics, constraint solving, the theory of computation, ...more>>

  10. Research - Peter Alfeld; University of Utah
    Research-related materials: An interactive applet that lets you explore the Bernstein-Bézier form of a bivariate polynomial; recent papers, complete bibliography, recent talks, computer graphics (illustrating various mathematical concepts: US Global Positioning ...more>>

  11. 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>>

  12. 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>>

  13. 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>>

  14. 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>>

  15. 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>>

  16. RngPack - Paul Houle
    A pseudorandom number generator package for Java. Pseudorandom means that the "random" numbers are generated by a deterministic mathematical process, not by a fundamentally random physical process such as radioactive decay or Johnson noise. RngPack contains ...more>>

  17. 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>>

  18. 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>>

  19. 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>>

  20. 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>>

  21. Roman Numeral Date Conversion Guide - Christopher Handy
    A guide to deciphering Roman numeral year dates as commonly found in both modern and early printed books, including a Java applet that accepts Roman numeral input in the range 1-4,999 and converts it to Arabic form. The page explains the basic principles ...more>>

  22. Roman-Numerals.org - John Barth
    Lessons, worksheets, online games, and quizzes for practicing Roman numeral counting and arithmetic. ...more>>

  23. Ron Blond - Ron Blond
    Circle geometry applets to explore inscribed and central angles, tangents and radii, and tangents and inscribed angles. Also, applets illustrating the quadratic function (completed square and the discriminant), transformations of the sine and cosine functions, ...more>>

  24. Room 108 Math - John Rickey
    Online math practice for young children: addition, subtraction, multiplication, division; solving combinations of coins; putting numbers in order; counting to 1000, and more. ...more>>

  25. Rossman/Chance Applet Collection - Franciso Garcia, Carlos Lima, and Beth Chance
    Applets for simulating confidence intervals for population parameter, t-intervals for different population shapes, behavior of regression line, histogram bin width, sampling Reeses Pieces, sampling 2002 U.S. Senators, sampling pennies, sampling words ...more>>

  26. ROSSMANCHANCE.COM - Allan J. Rossman & Beth L. Chance
    Workshops and presentations, publications, and current projects by the authors of the Workshop Mathematics Project textbooks. See tables of contents, instructor guides, sample syllabi and exams, and answers to activities from books in the Workshop Statistics ...more>>

  27. Rounding a Decimal - NASA Lewis Learning Technologies Project
    Round 12.5861 to the nearest hundredth. A detailed answer is provided. From NASA's 9th Grade Math Proficiency Test. ...more>>

  28. Rounding Seconds - NASA Lewis Learning Technologies Project
    Erv ran the 110 meter high hurdles in 13.27 seconds. His teammate, Willie, ran the same race in 12.91 seconds. Rounded to the nearest tenth of a second, how much faster was Willie's time? A detailed answer is provided. From NASA's 9th Grade Math Proficiency ...more>>

  29. Rouse Ball's Fallacy - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
    A famous fallacy by Rouse Ball now implemented in Java. A proof that an obtuse angle is right. How can that be? ...more>>

  30. RU4Math
    Games and events for elementary-aged students from Pulaski and Montgomery counties, and Radford City schools, who participated in the RU4Math Fest of March 22, 2003, held at Radford University. Shockwave games about logic and simple equations, currency ...more>>

  31. Rubik's Cube Information - Michael Reid
    All about Rubik's Cube - even a mailing list. Site contents include: the Nederlandse Kubus Club; Rubik's cube pages on the Web; Cube books; Sources of cube-like puzzles; the author's notes, including an optimal cube solver; other Cube solutions on the ...more>>

  32. Rubik's Cube Java Applet - Michael Schubart
    To twist the cube, press the mouse button over a cubelet face that belongs to the slice you want to move. Keeping the button pressed, drag the mouse in the desired direction; then release the button. Moving the whole cube is done in the same way - just ...more>>

  33. S3-Triplett als 3D-Welt und als Animation - Stefan Scheller
    Ein S3-Triplett (drei orthogonale Projektionen) wartet mit überraschenden Effekten auf. Besonders interessant wird das Triplett, wenn es als VRML-Animation betrachtet wird (VRML-Plug In vorausgesetzt). A GIF-animation shows a S3-triplet. When watched ...more>>

  34. Salinon: From Archimedes' Book of Lemmas - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
    A description of Archimedes' application of propositions from the second book of Euclid's Elements to mathematical proofs. An interactive Java exploration is provided. ...more>>

  35. Saltire Software
    Mathematical technology for industry and education. Saltire Software's core technologies are constraint-based interactive geometry systems, symbolic algebra, and optimization, with products for mechanical engineering, mathematics education and layout ...more>>

  36. SAM Learning - SAM Learning Ltd.
    U.K. exam revision (review) for A Levels (age 16-18), GCSEs (age 14-16) and SATs (KS3, age 11-14; KS2, age 7-11; KS1, age 5-7). Drag-and-drop exercises and online tests of math knowledge. ...more>>

  37. SAMMO - Sinclair, Nathalie; Murphy, Pat; et al.
    Tools for exploring, creating, and doing mathematics. Sinclair's Java applets let middle school students explore appealing mathematical situations not normally included in school curricula while using fractions, ratios, decimal numbers, and other concepts ...more>>

  38. Sangaku: Reflections on the Phenomenon - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
    A collection of sangaku problems with Java simulations and complete solutions, preceded by an introductory article that promotes an unorthodox view point on the wonderful phenomenon of Temple Geometry. ...more>>

  39. SAT Free Math Practice - Roland Mfondoum
    Download free SAT prep math worksheets, take auto-scoring quizzes online, and watch videos on algebra and functions, factorization, polynomial expression expansion, linear equations and inequalities, quadratic equation solving, numbers and operations, ...more>>

  40. SAT Math Pro - Colleen King
    Interactive video lessons, timed quizzes, and other instruction for SAT math preparation, categorized into assess, practice, and strategies. ...more>>

  41. SAT Prep Plan - Wendlink
    Free SAT study content including streaming video, a custom study plan creator, and many practice problems. ...more>>

  42. SAT Test Prep - Ivy West
    An online interactive SAT course, with animation, sound, live tutor help, and learning games. ...more>>

  43. S-Calculate - Sookshma Chetas Softwares Pvt. Ltd.
    Key values into the boxes to expand algebra expressions, calculate geometry areas and volumes, and convert weights, distances, time, memory, and other units. ...more>>

  44. The Scale of the Universe 2 - Cary and Michael Huang
    Use the scroll bar or computer mouse wheel to zoom in and out -- from quantum foam to charm quarks to "smallest thing visible to an optical microscope" to the thickness of paper all the way up to Cruithne, the depth of the Mariana Trench, Minecraft World, ...more>>

  45. Schoolhouse Flash - Screenic Digital
    Addition, subtraction, multiplication and division flash card sets online. Animated math fact equations in Level One for kids to count. Practice cards in Level Two reveal the answer upon a mouse click. Level Three offers a choice of 3 or 5 seconds to ...more>>

  46. SchoolTrainer.com - SchoolTrainer.com Ltd.
    SchoolTrainer.com provides a wide range of academic coaching services including online tutoring for Math, Algebra, Geometry, Calculus, Trigonometry for all grades. Free homework help and online study materials are provided as well. Flexible rate plans. ...more>>

  47. School Wiz Tutoring - School Wiz
    Australian computer-based maths & English tutoring with live support. ...more>>

  48. Science and More - PublicLiterature.org
    This site has a section on applied mathematics educational resources. Topics include projectile motion, differential equation solving, collisions, unit conversion, and prime number generation. Most software is open source. ...more>>

  49. Science Education at Jefferson Lab - Thomas Jefferson National Accelerator Facility (Jefferson Lab)
    Educational resources for students (homework help links; programs and events; games and puzzles; internships) and teachers (summer programs; reference links; distance learning programs; activities, worksheets, and games). See, in particular, Jefferson ...more>>

  50. Science vs Magic - Nico Disseldorp
    JavaScript by Disseldorp, who "likes it when simplicity makes complexity": tessellation kit, for kaleidoscopic drawing; fractal machine, for investigating seven axes of self similarity; logic grid, for exploring recursion; and elementary cellular automata. ...more>>

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