Information on the series issue: motivating chapter entry through action situations from the business world. Clear structure: practical examples, note box, exercises. Everything clear? Exercises after each topic with solutions at the end of the book. Extensive range of exercises with competence-oriented tasks. I-can-pages summarise the central terms and procedures after each chapter. Test pages check the acquisition of competence. Student-oriented explanations with tips. Interactive additional material online. Content includes basics from secondary level I; handling data; functions; differential and integral calculus; stochastics; matrix calculation; financial mathematics.