TI - NEW APPLICATIONS OF MATHEMATICS T2 - PENGUIN MATHEMATICS SN - 0140124918 U1 - 510/BON PY - 1991/// CY - LONDON PB - PENGUIN GROUP KW - MATHEMATICS KW - SOLVING LINEAR EQUATIONS KW - GUESSING AND TAKING RISKS KW - BIOLOGICAL MODELLING KW - VIBRATIONS KW - PROGRAMMING, SAVING TIME AND MONEY KW - CRYPTOGRAPHY, SECRET MESSAGES ER -