61. Recreational Math « George Woodbury’s Blogarithm Recreational Math – How To Measure A Batter’s Performance. As I’ve mentioned before, I’m a pretty big baseball fan. In my youth the accepted measure for evaluation hitters http://georgewoodbury.wordpress.com/category/recreational-math/

Home MyMathLab MyMathLab FAQ (Updated 9/15) Student Contracts ... Study Skills Posts filed under 'Recreational Math' OBP = (H + BB + HBP) / (AB + BB + HBP + SF) To many teams this is a more efficient measure as it values getting on base, and an increase in base runners can produce an increase in runs scored. Players with plate discipline not only reach base by seeking to draw a walk, they tire out the opposing pitcher by causing the pitcher to throw more pitches. OK, I know that my choice of Bonds is questionable, but using OPS rather than batting average really demonstrates how outstanding Barry Bonds was. (I have nothing to add to the performance enhancing discussion.) In 2001, Barry Bonds had 156 hits in 476 at bats, which resulted in a batting average of .328, which is good but not legendary. In the same year he reached base 342 times when you add in his 177 (!) walks and the 9 times he was hit by a pitch. That was an on base percentage of 342/664 or .515. Bonds reached base more than half of the time. (In 2004 his OBP was .609, more than 3 out of 5 times he reached base.) Conclusion -George I am a mathematics instructor at College of the Sequoias in Visalia, CA. Each Friday my blog contains an article on recreational mathematics. Let me know if there are other topics you’d like me to address. You can reach me

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64. Mathematics And Recreational Mathematics Public Web files for David Eppstein {a lot of Maths/Recreational Math links/ texts and any Recreational Math Journals and Problem Columns from Journals http://kam.mff.cuni.cz/~babilon/mirror/vel-math.htm

Non-Yet-Seen WWW sites' book Top Mathematics and Recreational Mathematics Indexes Societies Journals ... NewsGroups/E-Mail For an useful introduction see this Reference Paper Top Indexes Index to MathPro Press Web Page Mathematics Information Servers MathSearch SIAM's Undergraduate Web page ... Eisenhower National Clearinghouse (ENC) Shelton Shool District - Educational Resources (SSD) History of Mathematics: Web Resources Links to other Mathematics pages Math-Net Links to the Mathematical World Mathematics Archives ... Mario Velucchi's Web Links (Mathematics, Chess, Mathematical Recreations, Computer Science ... any more ...) Top Math Index Math Problems and related fields Web HomePages Public Web files for David Eppstein Prof. David SINGMASTER's Web page (by David Singmaster, Mario Velucchi) Selection of Prof. David SINGMASTER's papers Prof. Knuth's page Aviezri Fraenkel Clifford A. Pickover ... Mario Velucchi's Web Links (Mathematics, Chess, Mathematical Recreations, Computer Science ... any more ...) Top Math Index Mathematics Information Servers#Societies International Mathematical Union (IMU) American Mathematical Society (AMS) The Mathematical Association of America (MAA) National Council of Teachers of Mathematics The EMS Home Page Unione Matematica Italiana Home Page Canadian Mathematical Society ... Interuniversity Centre for Game Theory and Applications (CITG) SIAM's Undergraduate Web page Undergraduate Math Digest The Mensa Home Page Mensa Italia ... News: rec.org.mensa

65. Proposing A Recreational Math Question/problem Proposing a Recreational math question/problem General Math discussion http://www.physicsforums.com/showthread.php?t=1219

66. Recreational Math Conference Any speakers who are interested in giving a talk in the 2011 Recreational Math Conference in Tahoe can fill out the Tahoe 2011 call for proposals form by http://www.cmc3.org/conference/Tahoe10/Tahoe10.html

C alifornia M athematics C ouncil C ommunity C olleges Conferences News Resources Join Us ... Home Spring Conference th Annual Spring Conference The 14 th annual CMC recreational math conference in Lake Tahoe, Nevada was April 30-May 1, 2010! To get an idea of what this conference was about you can view the 2009 conference info by following the links below. Click here for the Conference Program Click here for the Program Flyer Click here for a copy of the registration form Conference Program at-a-glance ... Click here for a pdf of the speaker matrix Student Speaker 2011: Call for Student Speakers Please contact Professor Larry Green at Lake Tahoe Community College if you have any questions. Carpooling and Room Sharing: Looking to share Tahoe driving and or lodging expenses? Contact Michael Eurgubian at meurgubian@SantaRosa.edu and he will connect you with others who are looking to carpooling and room sharing. Call For Proposals: Great speaker have been found to present at each of the sessions Tahoe 2010. Any speakers who are interested in giving a talk in the 2011 Recreational Math Conference in Tahoe can fill out the Tahoe 2011 call for proposals form by clicking here . Interested speakers for Monterey 2010 can fill out the Monterey 2010 call for proposals form by clicking here Conferences News Resources ... Home

67. Math And Golf Math Help and Tutorials; Math Lesson Plans; Arithmetic; Glossary of Terms; Calculators; Math Stumpers; Math Worksheets; Books, Resources, DVDs; Mathematicians; Recreational Math http://math.about.com/u/ua/recreationalmath/MathGolf.htm

zWASL=1;zGRH=1 zJs=10 zJs=11 zJs=12 zJs=13 zc(5,'jsc',zJs,9999999,'') zDO=0 Home Education Mathematics Mathematics Search Mathematics Worksheets Subjects Share w(x2+zWl+'?p=1" zT="18/1[N" rel="nofollow">Print') Free Mathematics Newsletter! Sign Up Discuss in my Forum Readers Respond: What on earth could math and golf have in common? Lots! By Deb Russell , About.com Guide Filed In: Recreational Math Have your say zSB(3,3) From the article: Math in the Kingdom When you really think about it, one can compare learning math to learning golf! The first one that comes to mind: You'll fail miserably if you have a negative attitude! Have your say Math and Golf Similarities 1. Many want to master it, but only a few can achieve it. 2. Both are a class act. 3. Normal population always expects a lot from a mathematician and the golfer. 4. Both are suppose to provide unbelievable as well as unimaginable results. 5. Most of the times, both mathematician's and golfer's acts give them instant and wide publicity. Hope to see many more similarities, well, just need some more bias to relate different aspects from mathematics and golf together. Atul Kulkarni Have your say What on earth could math and golf have in common? Lots!

68. A K Peters, Ltd. - Publishers Of Science And Technology Recreational Math Mathematics Recreational Math. Displaying items 1–10 of 47 The Cryptoclub Using Mathematics to Make and Break Secret Codes http://www.akpeters.com/category.asp?CatId=1040&page=1&sort=Sort_Title,A

69. [Tutor] A Recreational Math Problem For Useless Python « Python-tutor « Active Danny Yoo I've been glancing at Donald Knuth's neat Selected Papers on Computer Science and ran across an interesting problem that he presents. http://code.activestate.com/lists/python-tutor/

Community Code Docs Downloads ... python-tutor [Tutor] A recreational math problem for Useless Python From: Mon, 13 Aug 2001 03:27:45 -0400 [Danny Yoo] > I've been glancing at Donald Knuth's neat "Selected Papers on Computer > Science" and ran across an interesting problem that he presents. It It's an excellent problem, although I wish he would have left square roots out of it (floating-point arithmetic complicates the problem to no good end). There's a large and difficult literature on the "subset sum" problem, of which this is an instance. That doesn't mean people should be scared away, it means an exact solution is *so* hard ("NP-hard" in the jargon) that *nobody* knows how to do it efficiently. So any stupid-ass <wink> trick you can dream up is fair game. A "stupid-ass trick" is known as a "heuristic" in the jargon, BTW, and finding good heuristics is a fascinating game. After playing with this for a few years <wink>, you might want to check out Bartosz Przydatek's 1998 subset-sum heuristic, available in a paper here: http://www.cs.cmu.edu/~bartosz/subset/

70. Home - Mathematics - Research Guides At Dartmouth College Oct 10, 2010 Research Guides. Mathematics. Recreation. Recreational Math Books Recent Additions to the Cook Mathematics Collection http://researchguides.dartmouth.edu/content.php?pid=6051&sid=357349

71. A K Peters, Ltd. - Publishers Of Science And Technology 1. CakeCutting Algorithms Be Fair if You Can by Jack Robertson, William Webb Format Hardcover Price $42.00. 2. Connection Games Variations on a Theme http://www.akpeters.com/Category.asp?CatId=1040

72. Famous Sequences Of Numbers (Recreational Math.) - Game Information May 18, 2009 Famous sequences of numbers (Recreational math.) Details. http://www.purposegames.com/game/famous-sequences-of-numbers-quiz/info

Famous sequences of numbers (Recreational math.) - Game Information Register! Log on FAQ/Help Start ... Leaderboard Famous sequences of numbers (Recreational math.) Author's Game Description Learn the names of famous sequences and guess which number is missing. For each sequence you can find explanations in Wikipedia Category: Science Games Created by Wentu , 18 May, 2009 Tags: famous Fibonacci mathematics numbers ... series 4 ratings Played Fav's Rate This Game You need to log on to rate this game! Join the fun today, completely free! Comments (1) Add Comment DrewBrook 3 months ago Thanks, very helpfull. I would like to introduce you a nice site which deals with the same subjects like here. You can find interactive free online math games for kids. Here Times Tables games from the site: Sequences Games and to the main site: Math Games Would you like to say something? Register for a free account, or Login if you are already a member. Place 1 - 9 Player Name Score Time Date of Play DanielR 1:55.3 min. 9 Apr, 2010 Wentu 2:10.0 min. 26 Aug, 2009

73. RecMath — Recreational Mathematics Archive RecMath.org. The recreational mathematics archive site. To access an archive, click on a link below. Al Zimmermann s PROGRAMMING CONTESTS http://www.recmath.org/

RecMath.org The recreational mathematics archive site. To access an archive, click on a link below. Al Zimmermann's PROGRAMMING CONTESTS New Site: http://www.azspcs.net/ Andrew Clarke's THE POLY PAGES George Sicherman's ... PEG SOLITAIRE PAGES Mirrored From: http://home.comcast.net/~gibell/pegsolitaire/

74. [Tutor] A Recreational Math Problem For Useless Python Tutor A recreational math problem for Useless Python. Daniel Coughlin kauphlyn @speakeasy.org. Mon, 13 Aug 2001 010645 0700 (PDT) http://mail.python.org/pipermail/tutor/2001-August/007978.html

[Tutor] A recreational math problem for Useless Python Daniel Coughlin kauphlyn@speakeasy.org Mon, 13 Aug 2001 01:06:45 -0700 (PDT) Previous message: [Tutor] A recreational math problem for Useless Python Next message: [Tutor] A recreational math problem for Useless Python Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] [Danny Yoo] > I've been glancing at Donald Knuth's neat "Selected Papers on Computer > Science" and ran across an interesting problem that he presents. It It's an excellent problem, although I wish he would have left square roots out of it (floating-point arithmetic complicates the problem to no good end). There's a large and difficult literature on the "subset sum" problem, of which this is an instance. That doesn't mean people should be scared away, it means an exact solution is *so* hard ("NP-hard" in the jargon) that can dream up is fair game. A "stupid-ass trick" is known as a "heuristic" in the jargon, BTW, and finding good heuristics is a fascinating game. Bartosz Przydatek's 1998 subset-sum heuristic, available in a paper here:

75. Mathematical Games The whole history of mathematics is interwoven with mathematical games which have led to the study of many areas of mathematics. Number games, geometrical http://www-groups.dcs.st-and.ac.uk/~history/HistTopics/Mathematical_games.html

76. Chris Caldwell, University Of Tennessee At Martin C. Caldwell, New largest known prime, J. Recreational Math., C. Caldwell, Problem minimal rulers, J. Recreational Math., 221 (1990) 23. http://www.utm.edu/staff/caldwell/papers.php

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