Recreational Math

alt.math.recreational

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  1. Jim

    Optimizing plotters for big job

    Jim, Jan 4, 2012
    Replies:
    3
    Views:
    657
    Frederick Williams
    Jan 4, 2012
  2. Enquiring Mind

    GMT for New Year's and birthdays?

    Enquiring Mind, Jan 2, 2012
    Replies:
    4
    Views:
    503
    Odysseus
    Jan 4, 2012
  3. don

    subtracting a negative thats inside ( )

    don, Dec 30, 2011
    Replies:
    5
    Views:
    391
    Frederick Williams
    Jan 2, 2012
  4. divya bisht

    Toughest Sherlock Holmes Question

    divya bisht, Dec 20, 2011
    Replies:
    1
    Views:
    494
    f. barnes
    Dec 24, 2011
  5. Loirbaj

    TROLL ALERT: Uergil/Virgil etc

    Loirbaj, Dec 12, 2011
    Replies:
    0
    Views:
    439
    Loirbaj
    Dec 12, 2011
  6. Steve Posner

    Are these numbers known?

    Steve Posner, Dec 4, 2011
    Replies:
    9
    Views:
    416
    peter wanker
    Dec 7, 2011
  7. Zurab57

    Theorem of Number Theory?

    Zurab57, Nov 5, 2011
    Replies:
    7
    Views:
    488
    John Jones
    Nov 7, 2011
  8. don

    why is this answer better than mine?

    don, Oct 28, 2011
    Replies:
    7
    Views:
    480
    Tim Little
    Nov 1, 2011
  9. Hind

    Finite fourier cosine transform for Gaussian function

    Hind, Oct 14, 2011
    Replies:
    0
    Views:
    522
    Hind
    Oct 14, 2011
  10. motchieuem

    convergence

    motchieuem, Oct 5, 2011
    Replies:
    1
    Views:
    459
    Tim Little
    Oct 6, 2011
  11. don

    are exponentials geometric sequences

    don, Sep 23, 2011
    Replies:
    10
    Views:
    717
    Peter Webb
    Sep 28, 2011
  12. monireh

    structure of data competing risk

    monireh, Aug 30, 2011
    Replies:
    0
    Views:
    427
    monireh
    Aug 30, 2011
  13. Gottfried Helms

    fitting an ellipse to a set of points

    Gottfried Helms, Aug 21, 2011
    Replies:
    2
    Views:
    513
    Ray Koopman
    Aug 27, 2011
  14. Jon

    solving a nonlinear system

    Jon, Aug 16, 2011
    Replies:
    1
    Views:
    380
    Gerry Myerson
    Aug 16, 2011
  15. Jon

    nonlinear solution question

    Jon, Aug 15, 2011
    Replies:
    4
    Views:
    407
    Jack Fearnley
    Aug 16, 2011
  16. Mark McIntyre

    100 Year Old Concept goes Viral on the Internet

    Mark McIntyre, Aug 5, 2011
    Replies:
    0
    Views:
    477
    Mark McIntyre
    Aug 5, 2011
  17. Jennifer Murphy

    Logarithmic identities

    Jennifer Murphy, Jul 21, 2011
    Replies:
    4
    Views:
    424
    Prai Jei
    Jul 31, 2011
  18. Jon

    Surface area of a sphere

    Jon, Jul 7, 2011
    Replies:
    3
    Views:
    404
    Prai Jei
    Jul 17, 2011
  19. Jennifer Murphy

    Comparing Ebbinghaus Forgetting Curve to the standard exponential half-life decay curve

    Jennifer Murphy, Jul 11, 2011
    Replies:
    8
    Views:
    644
    Jennifer Murphy
    Jul 16, 2011
  20. don

    Roman Numbers

    don, Jul 2, 2011
    Replies:
    8
    Views:
    404
    Michael Stemper
    Jul 11, 2011
  21. Hamish

    Formula Simplification Assistance

    Hamish, Jul 7, 2011
    Replies:
    0
    Views:
    395
    Hamish
    Jul 7, 2011
  22. Jon

    trilateration solution

    Jon, Jul 6, 2011
    Replies:
    0
    Views:
    664
    Jon
    Jul 6, 2011
  23. Jennifer Murphy

    Moving weighted averages

    Jennifer Murphy, Jun 29, 2011
    Replies:
    2
    Views:
    341
    --CELKO--
    Jul 1, 2011
  24. James Dow Allen

    Mastermind results

    James Dow Allen, Jun 24, 2011
    Replies:
    7
    Views:
    405
    Peter Webb
    Jun 25, 2011
  25. Bill

    Need help on how to properly calculate rank

    Bill, Jun 23, 2011
    Replies:
    6
    Views:
    295
    Jennifer Murphy
    Jun 24, 2011
  26. Caher

    Percentage Help

    Caher, May 28, 2011
    Replies:
    1
    Views:
    365
    Caher
    May 28, 2011
  27. SDLovell

    What is the probability of 4 children born on days of birth each 7days apart?

    SDLovell, May 24, 2011
    Replies:
    6
    Views:
    464
    Tim Little
    May 26, 2011
  28. Bertil

    Honor cards in bridge hand patterns

    Bertil, May 15, 2011
    Replies:
    3
    Views:
    321
    Rob Pratt
    May 20, 2011
  29. James Dow Allen

    Distance between "bad bars" -- follow-up question

    James Dow Allen, May 15, 2011
    Replies:
    4
    Views:
    409
    Macavity
    May 20, 2011
  30. Jon

    your opinion wanted on tensor problem

    Jon, May 10, 2011
    Replies:
    5
    Views:
    379
    J.B. Wood
    May 16, 2011
  31. David Rush

    closed subsets of the rationals

    David Rush, May 8, 2011
    Replies:
    3
    Views:
    340
    Tim Little
    May 9, 2011
  32. Jeff

    Android Software for Equations?

    Jeff, May 5, 2011
    Replies:
    2
    Views:
    388
    Peter Webb
    May 7, 2011
  33. don

    please tell me how to solve

    don, May 1, 2011
    Replies:
    2
    Views:
    360
    don
    May 1, 2011
  34. Jan Bours

    Is 0.9999..... exactly 1 or not??

    Jan Bours, Apr 22, 2011
    Replies:
    9
    Views:
    371
    Ken Pledger
    Apr 23, 2011
  35. M Winther

    Maths and board games

    M Winther, Apr 20, 2011
    Replies:
    0
    Views:
    341
    M Winther
    Apr 20, 2011
  36. Alexm

    Struts

    Alexm, Apr 13, 2011
    Replies:
    4
    Views:
    325
    Henning Jensen
    Apr 17, 2011
  37. Peter Webb

    Help with ellipse problem

    Peter Webb, Mar 11, 2011
    Replies:
    14
    Views:
    497
    Martin
    Apr 7, 2011
  38. Jon

    qualitative math

    Jon, Apr 3, 2011
    Replies:
    4
    Views:
    361
    [email protected]
    Apr 4, 2011
  39. Henning Jensen

    diagonal puzzle

    Henning Jensen, Mar 18, 2011
    Replies:
    11
    Views:
    387
    Henning Jensen
    Mar 28, 2011
  40. Dr. Tarics

    Fermat's Last Theorem

    Dr. Tarics, Mar 12, 2011
    Replies:
    1
    Views:
    363
    Prai Jei
    Mar 19, 2011
  41. CotPi

    Time sequence

    CotPi, Mar 17, 2011
    Replies:
    3
    Views:
    548
    Macavity
    Mar 18, 2011
  42. Peter Webb

    Word puzzle

    Peter Webb, Mar 14, 2011
    Replies:
    6
    Views:
    405
    Peter Webb
    Mar 16, 2011
  43. James Dow Allen

    Equal pairwise distances

    James Dow Allen, Feb 27, 2011
    Replies:
    9
    Views:
    407
    Henning Jensen
    Mar 6, 2011
  44. Alexm

    Repeats

    Alexm, Mar 4, 2011
    Replies:
    4
    Views:
    293
    Alexm
    Mar 6, 2011
  45. Jon

    tensor analysis

    Jon, Feb 22, 2011
    Replies:
    8
    Views:
    299
    rasterspace
    Mar 2, 2011
  46. dgse

    ask for ipad app for logic puzzle

    dgse, Feb 22, 2011
    Replies:
    0
    Views:
    331
    dgse
    Feb 22, 2011
  47. two-jawed pliers

    7th degree polynomial roots

    two-jawed pliers, Feb 20, 2011
    Replies:
    2
    Views:
    388
    Charles Brenner
    Feb 21, 2011
  48. William Elliot

    Uncountable

    William Elliot, Feb 9, 2009
    Replies:
    10
    Views:
    441
    Frank J. Lhota
    Feb 10, 2009
  49. Chunekit Pong

    big O notation

    Chunekit Pong, Jan 30, 2009
    Replies:
    8
    Views:
    376
    Jasen Betts
    Feb 3, 2009
  50. William Elliot

    Topological Riddle

    William Elliot, Jan 31, 2009
    Replies:
    4
    Views:
    307
    Dave L. Renfro
    Feb 1, 2009
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