Susanne Schindler-Tschirner is a philologist and was project manager in a science publishing house after her teacher training. She is active in student support and author of didactics-oriented publications. Werner Schindler has a doctorate in mathematics. He is head of department at the Federal Office for Information Security (BSI) and adjunct professor at the Department of Mathematics at TU Darmstadt.

• Mathematical techniques and tasks.- Detailed sample solutions.

Susanne Schindler-Tschirner is a philologist and was project manager in a science publishing house after her teacher training. She is active in student support and author of didactics-oriented publications. Werner Schindler has a doctorate in mathematics. He is head of department at the Federal Office for Information Security (BSI) and adjunct professor at the Department of Mathematics at TU Darmstadt.

• Mathematical techniques and tasks.- Detailed sample solutions.

Susanne Schindler-Tschirner is a philologist and was project manager in a science publishing house after her teacher training. She is active in student support and author of didactics-oriented publications. Werner Schindler has a doctorate in mathematics. He is head of department at the Federal Office for Information Security (BSI) and adjunct professor at the Department of Mathematics at TU Darmstadt.

• Mathematical techniques and tasks.- Detailed sample solutions.