Register at https://eventos.sbm.org.br/ (find our conference in the list, make an account, and register). Payment is also made at that webpage.
Early Registration (before and on 31 March)
Developed countries professors: 200 EUR
Developed countries students: 150 EUR
Developing countries professors: 100 EUR
Developing countries students: 50 EUR
Late registration (after 31 March)
Developed countries professors: 300 EUR
Developed countries students: 200 EUR
Developing countries professors: 150 EUR
Developing countries students: 100 EUR