ORDINARY LEVEL MATHEMATICS - NORTON, F. G. J. (HEINEMANN EDUCATIONAL BOOKS, LTD. OXFORD, 1984)
Keywords: MATHEMATICS; NUMERALS; APPROXIMATIONS; AIDS FOR CALCULATIONS; LOGARITHMS; AREAS AND VOLUMES; RATIO AND PERCENTAGE; INTEREST; TAXES; STOCKS; ALGEBRA; STATISTICS AND PROBABILITY; GEOMETRY; TRIGONOMETRY; CALCULUS