I offer personal or group support! Group support is more advantageous for the same quality. My experience: - 5.5/6 in mathematics in EPFL foundation year -I have been giving support for 6 years. - I provided support for 3 years with Appapp, a group which organizes support for apprentices in the canton of Vaud. My methods: -I focus first on the development of the student's reasoning before mimetic. That is to say, I guide him by asking him the right questions so that he can do the reasoning almost alone.