This website is provided by the Society of Didactics of Mathematics (Gesellschaft für Didaktik der Mathematik e.V.). Written communication should be directed to
Gesellschaft für Didaktik der Mathematik e.V. DMV/GDM-Geschäftsstelle c/o WIAS Mohrenstr. 39 10117 Berlin Germany
The president of the society can be contacted via email to vorsitzender@didaktik-der-mathematik.de. Questions regarding the website should be directed to the webmaster, Ulrich Kortenkamp.
For membership fees or donations please use our Account No. 3058700 at the Vereinigte Raiffeisenbanken Heroldsberg, BLZ 770 694 61. For international money transfers you can use the IBAN: DE05 7706 9461 0003 0587 00 und BIC: GENODEF1GBF.