Bob‐A suitable case for treatment?

Click to increase image sizeClick to decrease image size Additional informationNotes on contributorsRichard NossRichard Noss is chair of the Department of Mathematics, Statistics and Computing at the Institute of Education, University of London, 20 Bedford Way, London WC1H OAL, UK. His interests include the study of children's mathematics expression in computational environments, the political dimensions of mathematics education, and the social and cultural aspects of educational computing.Celia HoylesCelia Hoyles is Professor of Mathematics Education at the Institute of Education, University of London. Her interests are developing and researching computational environments for mathematical thinking, the investigation of gender issues, the study of collaborative work in computer‐based settings and the role of visualization in mathematics learning.