Correct spelling for the English word "creem" is [kɹˈiːm], [kɹˈiːm], [k_ɹ_ˈiː_m] (IPA phonetic alphabet).
Centre for Research into Ecological & Environmental Modelling
Centre de Recherche et d'Expérimentation pour l'Enseignement des Mathématiques ( French: Center for Research and Experimentation in Teaching Mathematics)