A questionnaire that college economics students can use to investigate the degree and nature of competition in the retail market for petrol is provided. A simple computer program is included to help in the analysis of the questionnaire. (Author/RM)

This paper discusses two software packages used in kinematics courses at Purdue University, Calumet (Indiana) and some algorithms written by students for cam design. The first software package, 4BAR, requires the user to define the particular four bar linkage in terms of lengths of the individual links and the angle and distance to the coupler…

Describes a computer-assisted oil exploration and production game for students involved in a short course in petroleum geology. Outlines the game and its procedures, and provides sample structure maps generated by the computer in the course of playing the game. (TW)