William, Keith W. creator Ohio Ohio University 1972 335 p. Sets and whole numbers (Page-1), Number system and numeral system (Page-11), The set of fractional numbers (Page-31), The set of directed numbers (Page-41), Ratio,proportion and percent (Page-51), Measurement (Page-61), Plane figures (Page-71), Areas and volumes (Page-81), the set of real numbers (Page-91), Equations (Page-101). Keith W. William Mathematics 510,WIL 20221104115130.0