By Schlegel
By Quinlivan, Valerie
By Peter T. Murphy
By Strouhal, Eugen, Martin, Geoffrey T., Forman, Werner
By Page, Gillian, Campbell, Robert, Meadows, Jack
By Porter, Roy
By Saint-Dizier, Patrick, Viegas, Evelyn
By Crystal, David
By Hilbert, David, Sturmfels, Bernd, Laubenbacher, Reinhard C.
By Sodera, Vija K., Naylor, Andrew
By Shakespeare, WILLIAM, Berry, Mary, CLAMP, Michael
By Brown, Richard
By Colin Vout, Gordon Gray
By Paul Martin, Patrick Bateson
By Kernaghan, Pamela
By Brian Bolt, Bolt, Brian
By Bain, Richard
By Taylor, Mike
By Stanton, Sarah
By Daniel J. Velleman, Velleman, Daniel J.
By White
By Burack, Jacob A., Hodapp, Robert M., Zigler, Edward F.
By University of Cambridge Local Examinations Syndicate
By brian-moses, Moses, Brian
By School Mathematics Project