Laurie's decimal tables of simple interest at 5, 41/2, 3, 21/2, 2, 1/4 per cent, per annum calculated per day, per month and per year - London : Routledge & Kegan Paul, c1960 - 377 p. ; 25 cm. ISBN: PND 50.00 Subjects--Topical Terms: CalculatorsArithmetic Dewey Class. No.: 511.8083