First Name =Anda Last Name =Zeidmane Title =Dr.paed. Institution =LLU Street Address =Liela 2 City =Jelgava State =Latvia Zip Code =LV 3001 Telephone =+37126773224 FAX = E-mail =anda.zeidmane@llu.lv URL = Title of talk =Institute preparatory courses of mathematics at environment of portal Ortus