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  All Sites - 1688 items found, showing 1301 to 1350

  1. QUdata.com - Icestone Trustee Limited
    Online tools and reference library resources for data mining and knowledge discovery. Collection of free online statistical and scientific calculators, 2D and 3D function plotters. ...more>>

  2. Queryous - Information Manipulation, Inc.
    An interactive quiz tool. Take a quiz on any course currently available or create your own course and earn half the proceeds. Businesses may use this for training or create free courses for brand recognition. ...more>>

  3. QueryTree - D4 Software Ltd
    Drag and drop this free tool to explore, analyze, and visualize data — without special code, formulas, or even software: QueryTree queries tabular information within your web browser. ...more>>

  4. The Quest for the Holy Value - Kjetil Valstadsve
    Finding the correct value of pi. The likelihood of any random two integers having 1 as their greatest common divisor (no factors in common), has been proved to be 6 divided by pi squared - the numbers are prime in relation to each other. According to ...more>>

  5. Quia! - The Learning Group
    Create your own Java-enabled quizzes, home pages, and learning games to play over the Internet: enter your material into a form, select a few options, and press a button. Games have been created and are available for browsing in mathematics, as well as: ...more>>

  6. Quite BASIC - Nikko Strom
    A JavaScript environment for coding in the classic BASIC programming language. Math projects include the Fibonacci Sequence, Fibonacci Squares, the Sieve of Eratosthenes, and Mandelbrot; puzzles include the Towers of Hanoi and variations of the Eight ...more>>

  7. Quiximity - CleverMedia
    Race against the clock to find three-of-a-kind that match in color or shape, earning point bonuses for objects adjacent to one another. Requires the Flash plug-in. ...more>>

  8. Quizma --> Matemática Cálculo Robótica - Harold Suárez Guzmán
    In Spanish: Clases y Orientación en Matemáticas Cálculo y Robótica. Fórmulas - Demostraciones - Ejercicios - Ejemplos - Cálculo Interactivo. Algebra, Logaritmos, Trigonometría, Geometría, Estadística, Ecuaciones, Problemas de Planteo, Funciones, Geometría ...more>>

  9. Quiz Me - D. Kell and Mercer County Community College
    Interactive quizzes constructed using software provided by Addison Wesley Longman Publishers. Auto-scoring, multiple choice self-tests on whole numbers (place value, operations, applications, rounding, roots and order of operations); fractions (equivalencies, ...more>>

  10. Quiz-Tree Math Games - Sierra Vista Software
    A collection of online math quizzes in addition, subtraction, multiplication, and division. ...more>>

  11. Quizzes.cc
    Use the menus and text boxes to create your own quizzes on addition, subtraction, multiplication, and division -- or browse from among a selection. Click the appropriate button to reveal answers, grade responses, or generate new problems. ...more>>

  12. Radius and Diameter - NASA Lewis Learning Technologies Project
    Mr. Jordan wants to put up a fence all the way across the middle of his round vegetable garden. If the radius of the garden is 3 feet, how many feet of fencing will Mr. Jordan need to buy? A detailed answer is provided. From NASA's 9th Grade Math Proficiency ...more>>

  13. Rainforest Maths - Jenny Eather
    Flash-based interactive mathematics activities with an Australian rainforest theme, for grades K through 6. Topics include: Number & Number Systems; Operations & Calculations; Strategies & Processes; Patterns & Algebra; Measurement; Space & Geometry; ...more>>

  14. random.org - Mads Haahr
    Generate random numbers on the Internet by using a web form (comparable to throwing dice), randomized sequences (lottery tickets), raw random bytes, virtual coin flips, or bitmaps. All numbers are tested statistically and the results available in real-time. ...more>>

  15. Random Walk Along a Line: A Simulation - David Sumner; University of South Carolina
    A Javascript simulation of a particle moving along a straight line with absorbing states at either end. Modifiable variables: length of the line, starting position of the particle, number of trials. The theoretical expected length of a walk with these ...more>>

  16. RapidCalculator - ProAlgorithms.com
    This mobile computing platform for web and handheld devices performs matrix operations like multiplication/inverses; plots graphs of functions and operations on polynomials; manipulates complex numbers; and evaluates other math, science, and engineering ...more>>

  17. Ratio and Proportion - NASA Lewis Learning Technologies Project
    If the ratio of boys to girls is 5 to 8 and there are 40 girls, which proportion should you use to find out the number of boys? A detailed answer is provided. From NASA's 9th Grade Math Proficiency Test. ...more>>

  18. Rational Number Tutorial - Joseph L. Zachary
    A tutorial that explores the nature of rational numbers, the significance of the minimum and maximum integers in a rational number system, and the meaning of overflow. Includes a Java applet that opens in a separate window, for use alongside the tutorial. ...more>>

  19. Raw - DensityDesign Lab
    The "missing link between spreadsheets and vector graphics," this open web app's interface lets you create custom vector-based visualizations on top of the Data-Driven Documents JavaScript (D3.js) library. Starting with delimiter-separated values in plain-text ...more>>

  20. 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>>

  21. 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>>

  22. 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>>

  23. 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>>

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

  25. 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>>

  26. 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>>

  27. 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>>

  28. 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>>

  29. 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>>

  30. 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>>

  31. 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>>

  32. 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>>

  33. 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>>

  34. 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>>

  35. 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>>

  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'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>>

  38. 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>>

  39. 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>>

  40. 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>>

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

  42. 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>>

  43. 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>>

  44. 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>>

  45. 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>>

  46. 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>>

  47. 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>>

  48. 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>>

  49. 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>>

  50. 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>>


 
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