- The Handley Math Page - John Handley High School Mathematics Department
David Pleacher posted Problems of the Week in his classroom every week since 1968, and posted them online -- with solutions and names of students who correctly solved them -- from 1998 until his retirement in 2006. See also his lesson plans and worksheets,
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- Hands on Banking - Wells Fargo Bank NA
Self-paced financial literacy lessons on budgeting, savings and checking, credit, investing, and more. Kids learn with space aliens Zing and Zoey; teens, with characters Angie and Alex; young adults, with live action age cohorts. This initiative of Wells
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- The Hank and Ted Game - Doug Ensley, Shippensburg University
Also known as "The Gambler's Ruin," this is a simple gambling game in which two parties flip a coin at a wager of one "marker" over and over until one of the parties is out of markers. The player who benefits from a toss of "heads" is Hank, and the other
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- Hearty Munching on Cardioids - Cut the Knot!, Alexander Bogomolny
A cardioid curve (roughly resembling a kidney bean) is the locus of points traced by a point on a moving circle that rolls without slipping on the outside of a circle of equal radius (explore the illustrative applets). An interactive column for MAA Online
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- Hekko Learning System - Hekko Corporation
The Hekko Learning System is an online math program based on the California state curriculum standards intended to provide a fun, challenging, and self-paced educational experience for school and home use. Elementary schools are invited to particpate
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- Helena A. Verrill - Department of Mathematics, Louisiana State University
Notes, links, handouts, and other materials from the courses that Verrill teaches, such as Solving Discrete Problems, Calculus, Elliptic Curves, and Modular Forms. She also provides a Java applet for a wallpaper drawing program and step-by-step illustrations
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- HelpingWithMath.com - David Burns, HelpingWithMath.com
Worksheets, printable tables and charts, and online tools. Browse by subject or grade.
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- H.E.L.P. Program - Digital Directions International Inc.
Teaching math to English Language Learners (ELL), and Spanish-speaking students in particular, this internet-based, supplementary curriculum removes language barriers from the learning of math skills and math content via interactive lessons. Learn about
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- Heron's Calculation of Triangle Area (MSTE) - James P. Dildine; University of Illinois at Urbana-Champaign (UIUC)
The area of a triangle can be calculated using a formula attributed to Heron of Alexandria. This calculation requires that the lengths of all three sides be known. This activity includes an Excel file to calculate the area of a triangle, and Java and
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- Hexadecimal Headquarters - Intuitor
A comparison of base ten and base sixteen (hexadecimal), discussing why we should switch to hexadecimal. The site includes a hex clock, and explanations of both base ten and hexadecimal.
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- Hey Math!
Animated lessons on a wide range of topics, plus a repository of questions indexed by concept and grade. Many more lessons are available for purchase. Started in Chennai, India, by Nirmala Sankaran and Harsh Rajan, Hey Math is a partnership with the Millennium
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- Higher Bitesize: Maths - BBC Scotland Learning
"Tasty chunks of revision goodness..." Revision means studying, and this site aims to help students study, with online illustrations and materials, and interactive tests.
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- Highline Advanced Math Program - Don and Jerre McQuinn; Highline Council PTSA, Seattle, WA
A math enrichment program for students in grades 5-7. Lessons (first and second year) and a homework helper; Math Quizzer; definitions, and unit conversions. Also practice quizzes for the Olympiads.
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- High School Financial Planning Program - National Endowment for Financial Education (NEFE)
A six-unit program that provides teens with a greater understanding of and ability to manage their personal finances in the areas of goal setting, budgeting, and saving. With games, simulations, case studies, and interactive exercises, the site provides
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- High School Math Lessons - Joe Mercer
Lessons, worksheets, quizzes, and tests for high school algebra 1, algebra 2, geometry, precalculus, and AP Calculus AB written by a retired math teacher. Some of the resources, composed in SoftChalk's LessonBuilder, include Flash animations or download
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- Hilbert II - Michael Meyling
A predicate calculus-based proof checker, which can check proofs drawn from many different Internet sites.
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- Histogram Applet - R. Webster West, Dept. of Statistics, Univ. of South Carolina
An applet designed to teach students how bin widths (or the number of bins) affect a histogram. The histogram shown for the Old Faithful data set. Students interactively change the bin width by dragging the arrow underneath the bin width scale, and decide
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- Histogram Explorer - Eric Scheide, University of San Francisco
Histogram Explorer is a tool for understanding histograms and their statistics. Drag the bars of the applet's histogram to see their effect on the mean, median, mode, range, standard deviation, and IQ, which recalculate after each change; select normal,
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- HomeworkTV.com
Video lessons for grades 6-8 "presented by a live National Certified teacher who explains lessons in real motion." A topic list for each grade is available on the site.
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- Hooda Math - Michael and Teresa Edlavitch
Interactive games, math movies submitted by students, tutorials, and links for students and teachers.
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- Hopalong Image Generator - David Imai
This Java applet generates a unique fractal image before your eyes, based
on Martin's Hopalong algorithm. This mapping was described in an article by
A.K. Dewdney in the September 1986 issue of Scientific American magazine.
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- Hopfield Net for 8-Queens Problem - Yuri Pryadkin
Given a standard chessboard and 8 chess queens, place them on the board so that no queen is on the line of attack of any other queen. The author's applet finds solutions to the general problem, with N queens on the NxN board. Tips and analysis of the
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- HostMath - Cui Wei
Input LaTeX, Tex, AMSmath or ASCIIMath, and this dynamic equation editor renders the notation for typesetting. HostMath formats for math, logic, symbols, Greek letters, trigonometry, arrows, and more.
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- HotEqn: The IMGless Equation Viewer - Lehrstuhl für Elektrische Steuerung und Regelung (ESR), Ruhr-University Bochum
A Java applet for viewing and displaying mathematical equations on the Web. The applet uses LaTeX notation to code its equations. Font sizes are variable, so the applet can also be used to display inline equations.
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- Hotmath
Tutorial solutions for the odd-numbered homework problems in many U.S. math textbooks, algebra through calculus. A site designed to provide students with help in doing homework directly from their own books, and teachers with a resource to use in the
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- How Big? - Marsquest Online
Want some perspective on the sizes of things on the Red Planet? MarsQuest Online has developed interactive JavaScript for positioning familiar objects onto images taken by the Mars Global Surveyor spacecraft. The Links & Resources page features activities
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- Howe-Two Software - Leslie Howe
Over 70 interactive Windows programs that target specific concepts in secondary mathematics, written by a classroom teacher/programmer. Many free sample downloads are available. The programs are written in Microsoft Visual Basic. Site includes HTML generators,
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- How to Correctly View a Flatland Painting - Mark Schlatter
A paper with Java illustrations: Given a two dimensional painting of a three dimensional object, you can use geometry to find the ideal viewing location--the position where the image appears most three dimensional. This site reviews that geometry (using
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- How to use a Chinese Abacus: A Computer-Based Tutorial - Jan G. Hogle
An abacus helps make abstract math concepts more concrete. This site includes a software-based tutorial to illustrate the basic use of an abacus. The tutorial presents a brief introduction; and illustrates, with graphics, text, and animation, how to represent
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- HTML with LaTeX - Alan Selby
Given HTML input that includes LaTeX encoded equations, the LaTeX2HotEqn applet generates webpages with typeset quality mathematics. With examples and documentation.
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- Hummer's Mind Reader - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
Java simulation of a magic trick invented in the 1950s by the magician Bob Hummer. Choose one of three coins. Swap the other two, then swap as many pairs as you like. When you're done, the computer will announce your selection. The explanation includes
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- HyperCube - Harmen van der Wal
A stereoscopic 4D Java game in and around the hypercube (stereoscopism optional). The page also includes instructions on how to see in four dimensions, and how to see stereograms (read "rotated cubes" for "twisted cubes" in the 4-D piece). See also Point
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- HyperCuber - Greg Ferrar
A Java applet that lets you rotate a four-dimensional cube in four dimensions. HyperCuber is a freeware program for 680x0-based Macintosh computers that displays and rotates wireframe objects of arbitrary dimension, like hypercubes (four-dimensional cubes).
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- HyperGami and JavaGami - Ann & Mike Eisenberg; Inst. of Cognitive Science, Univ. of Colorado, Boulder
HyperGami and JavaGami are software environments for designing and building paper sculpture. Choose from a number of starting polyhedra, which appear in a 3D window alongside a corresponding "folding net" in a 2D window. Employ both built-in features
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- HyperMath - Carl R. (Rod) Nave; Georgia State University
HyperMath uses concept maps to explore mathematics ideas and applications to physics and astronomy. Originally developed in HyperCard, HyperMath covers the topics of algebra, trigonometry, geometry, vectors, linear algebra, logarithms, exponents, calculus,
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- HyperPhysics - Carl R. (Rod) Nave; Georgia State University
HyperPhysics uses concept maps to explore physics ideas and applications. Originally developed in HyperCard, the network-like environment provides for numerical exploration in the form of active formula and standard problems implemented in Javascript.
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- Hypersonic Aerodynamics Index - NASA Glenn Research Center
Primers, some with animations or Java applets, on hypersonic and high supersonic flows -- when air molecules break apart, producing an electrically charged plasma around aircraft. Large variations in air density and pressure occur because of shock waves,
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- IAmProximus.com: Study Smarter - the Smartacus Corporation
Learn business math, college algebra, pre-calculus, trigonometry, and more, through a library of interactive Flash (TM) tutorials designed for handheld PDAs that run the Palm OS. Free one-day trial (cancel after 24 hours or be charged the monthly rate),
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- IASolver: The Brandeis Interval Arithmetic Constraint Solver - Timothy J. Hickey
A Java applet that uses interval arithmetic techniques to solve systems of non-linear constraints. It includes a 'safe plotting' feature for plotting projections of the constraint set onto any two variables. The source code is also available.
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- IB Math Prep - Stan Rachelson; Distance Education Courses, Inc.; South Carolina Educational Communications
IB Math Prep contains video lessons designed for students to prepare for the IB Math Exam. The lessons address the topics found in the International Baccalaureate Math Standard Level (SL) curriculum including: Algebra/Functions, Circular Functions/Trigonometry,
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- IFORS tutORial Project - Moshe Sniedovich
A library of self-contained modules, each dedicated to a relatively small OR/MS topic, from the International Federation of Operational Research Societies (IFORS). Modules typically contain some of: text, images, computer code, animation, and user interface
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- iKodeko - iKodeko Software, Inc.
Free online math quizzes cover least common multiple (LCM), Roman numerals conversion, number to words, and algebra word problems. Review performance, and participate in discussions around individual test items. Download the iKodeko Worksheet Maker freeware
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- Image Coding Using Wavelets - Signal and Image Processing Group, University of Bath
Read the article "What makes a good orthonormal wavelet for image compression?" Download other wavelet articles in PDF or PostScript format. Visit the Wavelet Warehouse, a repository of wavelet filters (biorthogonal and orthonormal) to download and
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- Imaging Raytracer - Paul Flavin
A raytracing applet with which you can generate the six quadric surfaces - sphere (ellipsoid), cone, hyperboloid of one and two surfaces, paraboloid, hyperboloic paraboloid - and the cylinder.
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- Imaging the Imagined - Paul Flavin
Modeling with Math and a Keyboard: the art and science of modeling; the math, theory and practice of rendering, imaging, and animation. An introduction to raytracing and the Quadric surfaces; Platonic Solids and Polyhedra; 'Tensegrity' (tension) structures;
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- Imagiware
A commercial site that including several games. A Java triangle puzzle; Web Puzzler lets you unscramble an image; MasterWeb is like the board game MasterMind; "Nowwwhere" is a Web-accessible virtual world; and there is a version of Mancala, too.
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- iMath
A free math-enhanced Web browser/editor supported by a net service to enable
the sending, receiving, storing, publishing, and discussion of pages with
math notation.
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- Impressions from ICME-9 - Cut the Knot!, Alexander Bogomolny
Statistics on attendance (by country) at the International Congress on Mathematics Education held in Tokyo, Japan in August, and impressions of talks on the state of mathematics education in the year 2000. According to Mogens Niss (Denmark) who gave the
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- Indian Math Online - Indian Math Online, LLC
A web-based learning system developed with principles of mathematics as practiced throughout the Indian education system, including starting early, testing frequently, practicing continuously, building steadily, and involving parents actively. IMO first
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- Industryshack: online unit conversion tools
More then 80 engineering and common unit conversion tools for students, engineers and scientists, as well as links to engineering calculators.
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