Math Forums

• WebMath
  
  A mailing list for those interested in mathematics on the World Wide Web.
  http://west.camel.math.ca/cgi-bin/wcms/webmath.pl
  
  
  
  
• Undernet Math
  
  Topica email list serving the users of the IRC channel #math on the Undernet, for discussion and challenging puzzles.
  http://lists.topica.com/lists/undernet-math/
  
  
  
• Topica: Science/Mathematics
  
  Mathematics-related e-mail lists.
  http://lists.topica.com/dir/?cid=195
  
  
  
  
• Mathstore Electronic Discussions
  
  A list of mailing lists compiled by LTSN.
  http://mathstore.ac.uk/etalk/index.shtml
  
  
  
  
• Yahoo Groups : Erdos
  
  A group for proposing problems, sharing ideas, discussing areas of research and reviewing papers and books of interest. [Requires Yahoo! membership]
  http://groups.yahoo.com/group/Erdos/
  
  
  
  
  
• Yahoo Groups : maththeorists
  
  Discussions relating to number and mathematics philosophy.
  http://groups.yahoo.com/group/maththeorists/
  
  
  
  
• Yahoo Groups: Theory-edge
  
  Informal discussion of research in algorithmics, mathematics, and their applications.
  http://groups.yahoo.com/group/theory-edge/
  
  
  
  
• Yahoo Groups: Math For Fun
  
  Focuses on solving challenging math problems.
  http://groups.yahoo.com/group/mathforfun/
  
  
  
  
• Yahoo Groups in Mathematics
  
  
  Mailing lists and discussion groups (including former OneList and eGroups).
  http://dir.groups.yahoo.com/dir/Science/Mathematics
  
  
  
  
• Maths-Education
  
  Email forum for those working in mathematics education to share ideas and experiences, and request information.
  http://lists.nottingham.ac.uk/mailman/listinfo/maths-education
  
  
  
  
• Maths is Toothpaste
  
  Mathematics is useless on its own, it only has a function when used with something else (i.e. a toothbrush). An online discussion.
  http://mathsistoothpaste.blogspot.com
  
  
  
  
• Javamath-discuss
  
  A general mailing list for discussion about mathematical software development in Java.
  http://lists.sourceforge.net/lists/listinfo/javamath-discuss
  
  
  
  
• The Institute of Mathematics and its Applications Discussion Forums
  
  Discussion of mathematical issues with councillors and members of the UK professional body, open to all.
  http://www.ima.org.uk/forums/
  
  
  
• The CTK Exchange Forums
  
  Discussions on elementary, middle and high school mathematics and mathematics education.
  http://www.cut-the-knot.org/cgi-bin/dcforum/ctk.cgi
  
  
  
  
• The Math Forum
  
  Help and discussions about mathematics and philosophy, with problems of the week.
  http://www.themathforum.com/
  
  
  
  
  
• Math Forum: Public Discussions
  
  Group topics include general math, education, geometry, software, calculus reform, research and recreations.
  http://mathforum.org/kb/forumindex.jspa
  
  
  
  
• Mathforge
  
  News and breakthroughs in the mathematical sciences, including software, education and books.
  http://mathforge.net/
  
  
  
  
• Math is Fun Forum
  
  A discussion forum for K-12 math students and teachers, with a focus on learning and teaching math the fun way.
  http://www.mathsisfun.com/forum/
  
  
  
  
• Math Help Forum
  
  A discussion forum for students and teachers of mathematics at school, college and advanced levels, including homework help for students.
  http://www.mathhelpforum.com/
  
  
  
  
• Ars Mathematica
  
  
  News and discussions on the mathematical arts.
  http://www.arsmathematica.net/
  
  
  
  
  
• National HPCC Software Exchange
  
  A distributed collection of software, documents, data, and information for the high performance and parallel computing community
  http://www.nhse.org