ABSTRACT
The authors of this chapter wish to acknowledge their indebtedness to the many people who contributed to the work of the LTSN MathsTEAM. These include: Paul Chin and Steve Walker, LTSN Physical Sciences; Ellen Packham, The UK Centre for Materials Education; Tony Croft, Loughborough University; Doug Quinney, Keele University; Mike Barry, University of Bristol; Richard Atkinson, University of Birmingham; Bjoern Hassler, Cambridge University.
