Described is the use of two models of pocket calculators. The Hewlett-Packard HP67 and the Texas Instruments TI59, to solve problems arising in connection with ionic equilibria in solution. A three-parameter regression program is described and listed as a specific example, the hydrolysis of hexavalent uranium, is provided. (BT)

A demonstration of how statistics courses may be enhanced through the incorporation of computer packages is presented. A statistical analysis course given at the State University of New York at Fredonia is described. It is suggested that many other courses would be enhanced by augmenting them with computer packages. (MLW)

The use of the digital computer for the presentation of the topics of empirical model building and regression analysis is discussed. The author concentrates upon a description of computing exercises which are employed to provide the students with experience in model building and evaluation in a controlled situation. The types of exercises given…