The following rules apply to all types of proposal. All the proposals should be concerned with mathematics education and conform to the major aims of PME as stated in the Constitution.

• Completed research and ongoing studies may be submitted, provided that the theoretical framework and preliminary results and related papers appear in the proposal. The authors should state what is new in the research and how it builds on past research, or goes in new directions.
• Papers should be concise, but should nevertheless contain all information necessary to inform both reviewers and other researchers.
• Proposals too similar to papers previously presented cannot be accepted.

• Each participant may be proposed as first author on one of a) Research Report OR b) Short Oral Presentation. Each participant may in addition present a poster. Membership of a Forum or Working & Discussion groups is allowed in addition.
• Only the author(s) of the paper can make a presentation. The names and addresses of first presenting authors and first coordinators (i.e., those designated as the communicating author/coordinator) will be included in an appendix in the proceedings.
• In order to have a proposal for personal presentation considered by the International Program Committee and sent to reviewers the presenting author(s) must pay the required Conference Deposit by January 12th, 2009.
• In order to have a proposal for short oral communications, poster and group activities considered by the International Program Committee the presenting author(s) must pay the required Conference Deposit by March 1st, 2009.

The submissions should include all required information relating to the research categories.

All proposals for presentation at PME 33 should be submitted as a file in DOC format via the online system by the dates stated for each type of presentation.

If you have any problems using the online system, please e-mail Jarmila Novotna, PME Administrative Manager (info@igpme.org) or Erato Gazani, the Conference Scientific Secretary of PME33 (scient_pme33@auth.gr).

Maximum number of pages: According to the kind of proposal, including references, figures, and appendices.
Titles: Title is in the centre, in capitals. The author(s) name(s), and affiliation(s) of the author(s), in this order. The name of the presenting author(s) is underlined.
References: In one of the accepted standard forms, for example APA style (American Psychological Association).
Files and Files’ names: Files should be saved in DOC format and filenames should indicate the kind of proposal and name of first author; e.g. for a Research Report by Smith the file should be named: RR_smith.doc ( _ is an underscore not a space). Use SO, PP, DG, RF, WS for Short Oral Communication, Poster Presentation, Discussion Group, Research Forum, and Working Session respectively.
Paper Format: A4 paper format with a frame of 170 by 247 mm. The formatting of the paper is a 14-point type, Times New Roman is recommended with a 16-point line space and 6 points between paragraphs.

• Do not number the pages!
• Please use exact dimensions, and fill the entire frame! The template provides the exact format and a description for this. Remember that the original text will appear in the proceedings reduced to 70% and changes in style will incur difficulties in the printing of the proceedings.
• Please be sure that file does not exceed 2 MB.