During the last fifteen years, research on affect has been of considerable interest to the mathematics education community. Researchers with an interest in mathematics and gender had a look at aspects of affect in their research studies right from the beginning. Similarly many studies of mathematical problem solving had a growing interest in affect. The main focus of research are now student beliefs and teacher beliefs which are identified as important factors for those influencing learning and teaching. The thirteen chapters of this book involve many aspect of research on affect like...