By Broadbent, Paul
By School Mathematics Project
By Asimov, Isaac
By Vickers, K. M., Tipler, M. J.
By Unknown
By Wu, Lixin
By Pelsser, Antoon
By Schoenmakers, John
By Johnson
By Bernardo, Jose, Smith, Adrian
By Henry-Labordere, Pierre
By Brace, Alan
By Bauwens, Luc, Lubrano, Michel, Richard, Jean-Francois
By Hogben, Lancelot
By Johnson, David C., etc., Hart Kathleen, Brown, Margaret, Dickson, Linda, Clarkson, Rod
By Pomeroi, Sue De, Tom Button, Catherine Berry, Sue De Pomeroi, Diana Boynova
By Milne, Pat
By Wells, David
By Daintith, John, Clark, Gibson, Carol, J., John O. E., Dainith
By Heng, H H, Cheng, K, Talbert, Mr John F
By John Allen Paulos, Paulos, John Allen
By Singh, Simon, Simon Singh
By Darling, David, Banerjee, Agnijo
By Piaggio, H.T.H.
By Kuipers, J. B.
By Merttens BA MED, Ruth
By Simmons, George F