books.google.fr - Designed for a one or two-semester Applied Calculus course, this innovative text features a graphing calculator approach, incorporating real-life applications and such technology as graphing utilities and Excel spreadsheets to help students learn mathematical skills that they will use in their lives...https://books.google.fr/books/about/Calculus_Concepts_An_Informal_Approach_t.html?hl=fr&id=1Ebu2Tij4QsC&utm_source=gb-gplus-shareCalculus Concepts: An Informal Approach to the Mathematics of Change