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mathforfun · MATH for FUN - A place to post and work math problems.
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Group Information

  • Members: 2752
  • Category: Mathematics
  • Founded: Dec 18, 1998
  • Language: English
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Activity within 7 days:

5 New Members - 4 New Messages - New Questions

Description

If you like challenging math problems then you might consider joining this club. Problems are usually posted at least once a week. And if you think you have a solution to one you can post it. NOTE: To make it easier to know which problem people are working on please number the problem when you post it. And please take note: aspiring new members must be approved by a moderator or owner. This might take anything between minutes or two weeks, depending on who is online. So please be patient! Thanks

Most Recent Messages

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Re: test - please ignore
In a message dated 7/10/2009 03:09:46 Eastern Daylight Time, ... If I knew how to test it without it going to everyone else on the list, I would have done
Posted - Fri Jul 10, 2009 7:30 am
 MorphemeAddict@...
lojbaner
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Re: test - please ignore
Waking up a lot of people to test something you can do silently by creating additional personal emails or sending to a friend. This is kinda like getting a new
Posted - Fri Jul 10, 2009 7:09 am
 cino hilliard
hillcino368
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test - please ignore
This is a test to see if my email setting has changed to Traditional. [Non-text portions of this message have been removed]
Posted - Fri Jul 10, 2009 5:00 am
 MorphemeAddict@...
lojbaner
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Re: How to build math model for that?
A rolling disk on a straight line surface. <http://knol.google.com/k/-/-/1xmqm1l0s4ys/h6o9ht/rollingfriction.jpg> The diagram has shown a rolling disk on
Posted - Fri Jul 10, 2009 2:36 am
 abelov0927
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Re: How to build math model for that?
Thank you for this explanation. It's good. I'm trying to find out the platform finish line velocity. I'm sure it'll close to zero, but the platform may not
Posted - Tue Jun 30, 2009 9:40 pm
 abelov0927
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Message History

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2009 13 42 1 18 31 21 4
2008 54 82 49 43 36 25 75 28 49 36 15 20
2007 69 78 40 39 26 23 65 65 57 101 36 39
2006 129 72 61 67 132 112 100 84 142 97 85 107
2005 160 222 174 95 232 202 164 189 83 84 123 93
2004 76 105 170 156 199 109 109 87 607 271 261 101
2003 114 105 145 166 443 284 123 130 60 142 82 172
2002 296 261 139 91 156 51 87 62 123 154 149 62
2001 81 162 123 71 85 64 225 78 53 115 122 140
2000 97 81 109 67 87 94 64 76 342 107 184 141
1999 73 100 39 18 39 57 98 77 36 99 135 53
1998 6
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