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…

Discusses the use of two different computer applications to teaching college chemistry. Describes the "electric laboratory notebook" (ELN) courseware and its use in an instrumental analysis course. Provides an overview of the use of commercial spreadsheet programs in the chemistry laboratory. (TW)