By Collins KS2
By Mark Patmore
By Sean McArdle, Wendy Clemson, David Clemson
By Howard Anton
By Peter R. Cox
By Sheldon M. Ross
By Princeton Review
By Howard Baxter, Jean Matthews, Mark Patmore, Michael Handbury, Brian Seager
By Mr Peter Sherran, Ms Sue Waring, Ms Lisa Greenstein, Sherran, MR Peter, Waring, Ms Sue, Greenstein, Ms Lisa
By The Math Forum
By The Math Forum, Jessica Wolk-Stanley
By K.C. Cole
By Robert Wellesley Cole, Felix Cobbson
By Rainville, Earl D., Bedient, P.E.
By Richard Bronson, Gabriel Costa
By Murray Spiegel, Larry Stephens
By Frank Ayres, Elliott Mendelson
By John Haigh (Reader in Statistics, University of Sussex)
By Morris Kline
By Linzi Henry
By Collins GCSE
By Paul Sweeting (University of Kent, Canterbury)
By Estela A. Gavosto (University of Kansas), Steven G. Krantz (Washington University, St Louis), William McCallum (University of Arizona)
By V.I. Arnold, Richard A. Silverman
By S. J. Taylor
By Sam Boardman, Tony Clough, David Evans
By W.W.Rouse Ball