I offer college, high school and university courses to students who: . want to learn more about math and science, . have difficulty understanding lessons and solving a problem, . seek personalized and continuous support in order to succeed, . wish to further improve their knowledge, . aim to pursue a professional career, . want to retrain and relearn everything, . aim for understanding and success. The aim is to assist pupils and students / s serious and motivated in their mathematical and scientific development, to develop skills, to do their homework or projects, by explaining deficient or misunderstood concepts and an educational approach to problem solving methods.