I graduated from the Institut d'Optique Graduate School ParisTech and an M2 at Centrale Supelec, having completed an MPSI then MP * preparation course at the best preparation in Morocco, I can provide a background full of knowledge and tips whether for college students, high school preparatory, or university / high school. I approach the concepts of the course first, I make sure that the student has understood the theorems and properties discussed in class which are the keys to solving problems and exercises, then I go step by step from easy to more difficult.