Science is an incredible discipline, without limits, to the point where it is possible to get lost in it. This course therefore proposes to work on the bases and knowledge of Maths - Physics - Chemistry and to make the link with the use of these in the real world. Understanding where and how science is used is essential to be able to learn and move forward. Being an engineering student of Arts et Métiers, I worked with sciences since small and I always had a certain facility which allowed me very quickly to explain how to advance to other people. This course also offers a rise in competence in the use of Excel which is essential for a lot of work in analysis and it is a real added value to know how to handle a minimum of Excel.