Invitations are out for the special issue of Digital Experiences in Mathematics Education (DEME) on Mathematics education in the era of ChatGPT: investigating its meaning and use for school and university education. Submit an extended abstract (max. 1000 words) for a proposed paper before 30th November, 2023 to Birgit Pepin (b.e.u.pepin@tue.nl) and the inviting editors: Nils Buchholtz (nils.buchholtz@uni-hamburg.de) and Ulises Salinas-Hernández (u.a.salinas.hernandez@tue.nl)