21. Stephen Jordan's Homepage Graduate student at MIT. Physics and math puzzles, scientist quotes, and personal information. http://web.mit.edu/sjordan/www

Stephen Jordan's Homepage BS in Physics 2003 Penn State Currently PhD student in Physics at MIT Presently I study quantum algorithms. Previously I have worked on condensed matter experiment and simulation. Research: Quantum Algorithms It is now believed that quantum computers can solve certain problems more efficiently than classical computers. For example, quantum algorithms have been discovered which can factor large numbers in an amount of time which varies roughly as the cube of the number of digits. No classical algorithm with such efficiency is known and many people suspect that it is mathematically impossible for one to exist, although no one has yet succeeded in proving this. Quantum algorithms superior to all known classical algorithms have been discovered for several problems, and for certain oracular problems, the superiority of quantum techniques has been rigorously proven. However, the full power of quantum computers relative to classical computers is still largely unknown, and the search for new quantum algorithms remains active. My own research on quantum algorithms has so far involved quantum numerical algorithms. Specifically, I found that it is possible to use generalizations of the Bernstein-Vazirani algorithm to perform numerical gradient estimation in any number of dimensions using a constant number of function evaluations, whereas classically the required number of function evaluations scales linearly with the dimension. I completed this research at MIT, where I am working with

22. Math Puzzles Math Problems Puzzles Brain Teasers Puzzle Corner Interactive math puzzles Kids Place at Cuisenaire Magic Squares Mazes and Mathematics. http://www.nhusd.k12.ca.us/ALVE/ace/MATH/Math_Puzzles.html

Math Puzzles Mathmania Brain Teasers Puzzle Corner Interactive Math Puzzles ... Mazes and Mathematics

23. Math Magic If you have a math puzzle, discovery, or observation, please email me about it One of the best-known recreational math puzzles of all time is finding a http://www.stetson.edu/~efriedma/mathmagic/

Problem of the Month Archive Math Magic is a web site devoted to original mathematical recreations. If you have a math puzzle, discovery, or observation, please e-mail me about it. You can also send answers to the problem of the month. Problem of the Month (September 2005) This month we consider 4 problems concerning squares. 1. Square Chain Tilings We say a tiling of a square by integer-sided squares is a square chain tiling if every square of side s>1 shares part of a side with a square of s-1. For each n, we are interested in finding the square chain tiling of a square of side n using the fewest number of squares. For example, the best known tilings for small squares are given below: Can you improve these tilings? What are the minimal square chain tilings for larger squares? In particular, what is the fewest number of squares you can find for a chain tiling of a square of side 100? What are the best chain tilings of rectangles by squares? How about equilateral triangle chain tilings? 2. Square Bridges

24. Interactive Mathematics Miscellany And Puzzles, Games Page Cool math 4 kids math games, math puzzles, math lessons Math games, problems, calculators, puzzles, and fun and for all levels. http://www.cut-the-knot.com/games.shtml

Username: Password: Sites for teachers Sites for parents Awards Interactive Activities ... Sites for parents Interactive Mathematics Miscellany and Puzzles Games and Puzzles (Please note that a good deal of the topics below are accompanied by interactive Java illustrations and, thus, require a Java enabled browser. Some of the Java applets are combined into thematic bundles and are available for sale . This is mostly done for teachers of mathematics who wish to enliven their web pages or classroom presentation. Let us know if you would like to obtain an applet not included into the current roster.) 3 glass puzzle [JavaScript] 3 glass puzzle , second, more general tool [JavaScript] Three Jugs Problem [Java] 4 Knights [Java] [Java] 7 Coins Puzzle [Java] A Baffling Prediction The Aliquot Game [Java] Bachet's Magic Trick [Java] The Blithe 12 puzzle [Java] Bogus Nim [Java] Box Labels [Java] Calendar Magic [Java] Changing Colors [Java] Coin Game [Java] Cryptarithms [JavaScript, Frames] Date Game [Java] Euclid's Game [Java] Farmer and Wife To Catch Rooster and Hen [Java] The game of Fif [Java] Fish Soup Game [Java] Flipping Items Simultaneously [Java] Flipping Items Simultaneously II [Java] Flipping pancakes [Java] Gergonne Magic Trick [Java] Gordian Knot Grundy's Game [Java] The Happy 8 puzzle. [Java]

25. Brian's Main Page Programming and math puzzles, as well as songs from his album. http://www.ugcs.caltech.edu/~brothste/

Brian's Awesome Web Page Programming/Math Challenges SET (card game) Top Ten Things To Do When Going On A Long Drive Songs from my album.

26. Interactive Fun Puzzles For Kids Puzzles that children can directly manipulate on the web page. Visual discrimination, mixedup puzzles, number puzzles, math puzzles, magic squares and http://www.vtaide.com/png/puzzles.htm

http://www.vtaide.com/png/puzzles.htm Interactive Fun Puzzles Click and drag the matchsticks (or numbers or puzzle pieces) to solve the puzzles. Please note that there may be more than one solution to each puzzle. If you really have difficulties solving the puzzles ... don't get mad, get help. But nothing beats solving the puzzles by your own efforts. You may even discover a new solution to a puzzle. Have fun! This site uses scripts for interactivity. If you had installed Windows XP Service Pack 2 , please click on the Information Bar (just below the address bar) and choose "Allow Blocked Content ..." to enjoy the site. For a permanent solution : add this site to the "Trusted sites" zone In Internet Explorer, on the "Tools" menu, click "Internet Options". Click the "Security" tab, click "Trusted sites" zone and then click "Sites" button. In the Add this Web site to the zone text box, type "http://www.vtaide.com" without the quotes then click "Add" button. Level One Level Two Counting Fishes ... hand-eye coordination + numbers 1-5 ... associate a certain quantity of fishes to a spoken numeral (1-5). Total size of all associated files is about 154 KB.

27. Puzzle Index Puzzle index for geometry puzzles, logic puzzles, math puzzles, weight puzzles, moves puzzles and misc puzzles. You can sort the puzzle list by clicking http://www.freepuzzles.com/puzzles/PuzzleIndex.asp?Category=Math&CategoryID=3

28. Math Goodies: Free Math Help, Interactive Math Lessons, Homework Help, Worksheet Free educational web site featuring interactive math lessons with a problemsolving approach and actively engage students in the learning process. Also offer a math chat board, math puzzles, a math image library, educational links, and homework suggestions. http://www.mathgoodies.com/

math click here help CD Lessons Homework Puzzles ... Newsletter numbers Worksheets Forums Articles Home Ed ... Catalog Math Goodies is a free math help site featuring interactive lessons, puzzles and worksheets. We have provided free homework help since 1999! There are more than 400 pages of activities for students, educators and parents. Our award-winning site has been reviewed on television and radio! Join our growing community and subscribe to our free newsletter! We'll keep you informed of the latest math news and site updates while respecting your privacy GET THE MATH GOODIES CD! Lessons, Integer Football and more! JOIN OUR FREE NEWSLETTER Join Help Under 13? Privacy FEATURE OF THE WEEK Recommended Math Software! FORUMS The best place for math discussions ABOUT THIS SITE CHILD SAFETY LINK TO US ... Recommend numbers Advertise About Us Search Press ... Polls calculus geometry trigonometry algebra Last Modified 11 Sep 2005 basic math pre-algebra pre-calculus adult learners

29. Galileo Educational Network Association When we talk about math puzzles we are not talking about toys. Rather we are talking about puzzles from The math fair booklet, prepared by Ted Lewis http://www.galileo.org/math/puzzles.html

Recommended Links Grade 12 Challenges Theseus and the Minotaur Maze Tilt Mazes Search Galileo Search WWW Math Problems To be an automaton - memorize procedures. To be a thinker - gnaw on a math problem. Babushka Wisdom Babushka Squares Barbanegra the Pirate Colour Iraq Circle Town ... Stair Climber Problem Traditional problems used in the mathematics classroom are monotonously predictable: There is one and only one correct answer. This is bogus!!! Real mathematical problems may have no solution, several solutions, or an infinite number of solutions. There is excitement in the unknown. Babushka Wisdom Old Math Problems A Moving Counter Problem Robot in the Circuit Board Black and White Rug Challenge ... Wineglass Toothpicks Who are we adult Babushkas to pose all the problems? Posing good problems and exploring beyond the range of set problems are intellectual entrepreurship at its best. Babushka Wisdom These problems are prepared by Gordon Hamilton of Galileo, Ted Lewis of The Pacific Institute for The Mathematical Science, and Indy Lagu, Chair of the Faculty of Science and Technology - Mathematics, Physics, and Engineering at Mount Royal College. Student and teacher contributions are welcome: Email your best original problems to Gord!

30. Math Games And Math Puzzles Enjoy the following games and puzzles!! Rubik s Cube Name Game Morph the Professor Let s Play Checkers Pick a Number http://www.mathpower.com/funstuff.htm

Enjoy the following games and puzzles!! Rubik's Cube Name Game Morph the Professor Let's Play Checkers ... Mr. Potato (view with Internet Explorer only) "Really Cool" Mad Libs Bio rhythm Chinese Checkers Lights ... Basketball All "Fun Stuff" material needs a browser that supports JAVA

31. Mathematical Puzzles Mathematical Puzzles Your guide to the best web sites for math puzzles. The MathSoft Math Puzzle Page Mathematical puzzles featured here have been http://thinks.com/webguide/mathpuzzles.htm

Home Web Guide Mathematical Puzzles Don't miss the gold star sites - the best of the best. Interactive Mathematics Miscellany and Puzzles Excellent. Ken Duisenberg's Puzzle of the Week A good archive to dip into. MathPuzzle.com The webmaster, Ed Pegg Jr, is a twenty year member of the National Puzzler's League, and frequently contributes to the New York Times crossword, Games, and National Public Radio's Sunday Puzzler. This fantastic site is packed full of interesting goodies, and there's a weekly math puzzle. The MathSoft Math Puzzle Page Mathematical puzzles featured here have been previously published in Allan Gottlieb's column in the Tech Review. Nick's Mathematical Puzzles The puzzles presented here are selected for the deceptive simplicity of their statement, or the elegance of their solution. They range over geometry, probability, number theory, algebra, calculus, trigonometry, and logic. All require a certain ingenuity, but usually only pre-college math. Some puzzles are original. The Null Set - Mathematical Puzzles A good selection of puzzles, by Guy Kindler at Tel Aviv University, graded from simple to tough - but most requiring some undergraduate maths knowledge.

32. Blueee Presents: 1, 2, TRON And The Cursors Online game that displays a random choice of one of 15,000 different math puzzles. Six nested equations are shown with icons instead of digits. Find the digits to solve the puzzle. http://www.tote-taste.de/X-Project/index.html

What's up here: Morse a message Enter some text you would like to have translated into blinking morse code signals. It is provided as animated image. Number Puzzle A random choice out of over 15 000 number puzzles. Get a new one any time you want. [disabled; see note The famous and most exciting TRON game for 2 players. Requires that the players share screen and keyboard. [disabled; see note The 1-player-version of the TRON game. Dedicated to you poor lonesome cowboys out there. How to fold jumping paper frogs. Detailed step-by-step instructions. Flash plugin required. Animated cursors (and some icons). A small but fine collection. Actually they are not collected but handmade. e-mail me PHP stuff: PCRE regex tutorial Code beautifier Scrabble Chat Board var site="sm3blues"

33. CRpuzzles Word Math Puzzles Index New free puzzles daily Word Math, Crossword Puzzle, Word Search, Picture Scramble, Logic Problem, Cryptogram, Kriss Kross, Word Mine, and more. http://crpuzzles.com/math/

Logic Problems Word Search Puzzles Cryptograms mini Crostics ... Home Word Math Puzzles A unique blend of mathematical logic and language skills, Word Math Puzzles test the solver's analytical abilities. CRpuzzles interactive Word Math Puzzle application makes this long-time print magazine favorite a painless pleasure to solve. New Word Math Puzzles are now testing solvers twice weekly on All-Star Puzzles Word Math # 258 COHEIRESS results in EATS when divided by HEART Word Math # 257 IMPROPER / CAPE = WIPE Word Math # 256 AGING into ENHANCER equals ACE Word Math # 255 CASUIST gives EAT when divided by YAKS Word Math # 254 ELLIPTIC over EXTOL yields YET Word Math # 253 Take PALL into MARIACHI to get ACHY Word Math # 252 CROCK divides RECRUITER NINE times Word Math # 251 OIL = RETAILER / BLARE Word Math # 250 IN equals NO SUIT divided into OUTRUNS Word Math # 249 DEALER into CUTLASSES gives SEAL Word Math # 248 TOP equals JOB into JITTER Word Math # 247 INSIGNIA over ALIEN equals GAS Word Math # 246 APT results from ASSETS into HOTSHOTS Word Math # 245 SASSED divided by AAH results in HEAR Word Math # 244 AGITATES into WEAKENING gives AT Word Math # 243 THE equals APATHETIC over IMPACT Word Math # 242 ODD results from CROOK divided into LARBOARD Word Math # 241 SOFTENED divides FRIGIDNESS OR times.

34. IBM Research | Ponder This Monthly logic and math puzzles set by IBM researchers with solutions. http://www.research.ibm.com/ponder/

Country/region change All of IBM Home Products My account IBM Home ... Ponder This Ponder This Welcome to our Monthly Puzzles You are cordially invited to match wits with some of the best minds in IBM Research. Seems some of us can't see a problem without wanting to take a crack at solving it. Does that sound like you? Good. Forge ahead and ponder this month's problem. We'll post a new one every month, and allow two to three weeks for you to submit solutions (we may even publish submitted answers, especially if they're correct). Towards the end of the month, we'll post the answer. Here is the solution for our August 2005 problem. And now... here's our September challenge! So give your mind a break from its routine-you never know what other problems you may solve in the process! - Don Coppersmith If you have any problems you think we might enjoy, please send them in. All replies should be sent to: webmaster@watson.ibm.com Archive September 2005 Challenge Solution August 2005 Challenge Solution July 2005 Challenge Solution June 2005 Challenge Solution May 2005 Challenge Solution April 2005 Challenge Solution March 2005 Challenge Solution February 2005 Challenge Solution January 2005 Challenge Solution December 2004 Challenge Solution November 2004 Challenge Solution October 2004 Challenge Solution September 2004 Challenge Solution Challenge Solution July 2004 Challenge Solution June 2004 Challenge Solution May 2004 Challenge Solution April 2004 Challenge Solution March 2004 Challenge Solution February 2004

35. Cool Math .com - Brain Benders - Math Puzzles That Will Bend Your Brain! Fun math related puzzles and problems! Cool geometry stuff! Great for kids, big kids and really big kids! Teachers too! http://www.coolmath.com/math_puzzles/

Brain Benders - Math puzzles that will bend your brain! Do you think you are a genius? Genius Test Genius Test 2 - kid version Genius Test 2 - to work with your parents If you've survived my genius tests... Let's see if you can make it through some of my favorite mind benders! I've tried to arrange them in order... The easy ones are first and, then, they get harder! See if you can do them all! Hey, I've loaded a bunch of new brain benders over on Coolmath4kids.com! Just because I put them on the kid's site doesn't mean that they aren't hard... Some of them are crushers! (I was just too lazy to put them on both sites!) Check it out! Alphabet Soup (I've even messed my college students up with this one!) Number Fun #1 Number Fun #2 How Many Triangles (geometry) What's Next #1 Pascal's Triangle What's Next #2 Corner Riddle ... Karen's Age (prime numbers) (this one might be easy for you... and it might not!)

36. Amby's Education Site -- Math Puzzles & Learning Activities Amby s Education Resources math puzzles and Learning Activities. http://amby.com/educate/mathgame.html

Amby's Education Site: Learning Activities Applied Math / Simulations Origami Polyhedra Fractals ... Other Math Resources Applied Math / Simulations EduStock Edustock is designed to teach people of all ages about the stock market. It includes: Tutorials on the stock market How to pick good stocks Company Profiles: Information to help you research companies FREE realtime Stock Market Simulation Links to other sites with useful Stock Market info EduStock http://tqd.advanced.org/3088/welcome/welcomenf.html The Diet Problem: An Application of Linear Programming Check-off the foods you're willing to eat and the program will find the cheapest combination of them meeting a person's daily nutritional requirements. Provides numbers of servings, cost, percentages of nutrients from different sources, etc. in both table and pie chart form. PLEASE consult your doctor before embarking on any diet especially one, for example, including 10 servings of Air-Popped Popcorn!! Argonne National Laboratory Mathematics and Computer Science Division http://www.mcs.anl.gov/home/otc/Guide/CaseStudies/diet/index.html

37. STARTDL TM - Puzzles And Word Games Collection of interactive anagrams, word and math puzzles. Games are available online or in printable form. http://www.startdl.com/

Click here for your copy of our new Startdl magazine Welcome to Startdl.com. If you like Anagrams, Crypted Quotations, Hidden Quotes, and other word and math games, this is the site for you. Whether you are an adult or a child, we have games to challenge your mind. Most games are interactive and can be solved on-line; some must be printed out. We are adding new games on a regular basis, so drop by often to check out the new additions. If you have any technical problems please check our Help page. Enjoy, and we would appreciate your feedback. The Editor Our site is intended solely for personal, non-commercial use, and enjoyment. STARTDL™ puzzles may not be published, copied, or otherwise reproduced or distributed without prior written permission from STARTDL™ puzzles. This web page is maintained by webmaster © STARTDL™ for thinkers

38. Math Sites Even Discrete Math, Trigonometry and Calculus Sites! math puzzles and Math Brain Teasers Sites! Math Web Quest Sites! Math Humor! Elementary, Middle School http://cte.jhu.edu/techacademy/web/2000/heal/siteslist.htm

Games Clever Games for Clever People Interactive Fractals Site Java Math Games Mankala ... Quizville - Online Math Skills Practice Games More Fun Curious and Useful Math Einstein's Origami Math Cats Math Humor ... Paul's Page of Pi Puzzles AIMS Puzzle Corner Brain Teasers Cut the Knot - Interactive Puzzles Diamond 16 Puzzle ... Mathematics Puzzles - Thinks.com Nick's Mathematical Puzzles Puzzle Solvers at Cryptic Manor Puzzles and Problems Tim's Interactive Puzzle Solution Center ... The Ultimate Puzzle Site Problems Enquiring Into Number Things Escot Problem of the Week Figure This - Math Challenges for Families Get Smarter Org - Math Quiz ... Math Forum Problems of the Week (elementary through calculus) OleMiss Problems of the Week Olympiad Math Madness Problem of the Week Shack's Math Problems ... Word Problems for Kids Algebra Activities Interactivate Algebra Activities Investigating Bridges - Dan MacLeod Roller Coasters and Slope - Joanne Clarke Similar Triangles Investigation - Chuck Cooper

39. Math Puzzles At Just Riddles And More math questions, math teasers, math puzzles, math tests, math quizzes, logic problems, and brain teasers to challenge your mind. http://www.justriddlesandmore.com/math.html

Math Puzzlers at Just Riddles and More...! Free Stuff l Free Screensavers l Link to Us l Contact Us l Games l Riddles Free* Sony® PSP™! You CAN take it with you – anywhere! SEARCH OUR SITE: Games Our Games Pages Riddles Animal Classic Gotcha Kids ... Word Puzzles Picture Puzzle Hidden Faces Challenge Puzzle Jumbles ... Mystery Corner Teaser Pages Teasers Word Play Math Logic ... Wacky Words Free Stuff Downloads Newsletters Free Ezines Free Stuff for All ... Fun Quizzes Misc. Fun Cat Animations Illusions You Know You're.... Irritating Page ... Comic Fun Cool Pages Great Links Vote for Me Sign Guest book Web Page Help ... HERE! Work Out These Math Puzzlers! . Take the number of your fingers multiplied by the number of you toes divided by one half and add it to the number of months in a year. What is the total? . A mother and father have six sons and each son has one sister. How many people are in that family?

40. Math Puzzles And Games Architecture and Math go hand in hand. These activities use building design to explore mathematical concepts. http://architecture.about.com/od/mathpuzzles/

zJs=10 zJs=11 zJs=12 zJs=13 zc(5,'jsc',zJs,9999999,'') About Architecture Math Puzzles Architecture Essentials Architecture Basics About Your House ... Help zau(256,140,140,'el','http://z.about.com/0/ip/417/C.htm','');w(xb+xb+' ');zau(256,140,140,'von','http://z.about.com/0/ip/496/7.htm','');w(xb+xb); FREE Newsletter Sign Up Now for the Architecture newsletter! See Online Courses Search Architecture Math Puzzles and Games Architecture and Math go hand in hand. These activities use building design to explore mathematical concepts. Alphabetical Recent Up a category Tower of Hanoi Solve this difficult pyramid puzzle, then create your own Tower of Hanoi game. From Math Around the World. Grades 5-8 and older. Shongo Networks From Math Around the World, a complex game with intriguing patterns, from the Democratic Republic of Congo (formally Zaire) in Africa. Grades 5-8 and older. Art and Math If you have a Macintosh computer with HyperCard 2.3 or HyperCard Player 2.3, you can download a geometry activity which plays with shapes and forms. Topic Index Email to a Friend Our Story Be a Guide ... Patent Info.

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