Describes the outstanding results obtained when a department of industrial sciences used special software on microcomputers to teach computer-aided design (CAD) as an alternative to much more expensive equipment. The systems used and prospects for the future are also considered. (JN)

How to take photographic slides of computer software for demonstration to large groups is explained in the first portion of this column. Then follow items on a Pythagorean curiosity and a computer approach to a nonroutine problem. (MNS)

Two topics are discussed that can be presented in a discussion of the annual percentage rate (APR): difference equations and fixed-point iteration. A program in BASIC using the iteration procedure is included. (MNS)

Examines the behavior of young children using barcode readers on reading texts that have a subtext of barcodes that activate a text-related voice program. (CRH)

Makes a case for adventure and fantasy computer games as encouraging development of problem-solving skills and organizational abilities and for fostering reading comprehension. Suggests ways of incorporating these games into classroom activities. (RBW)

Suggests decision making techniques that can be used to estimate the consequences of choosing alternative courses of action, to select an optimum strategy, or to determine how sensitive predicted outcomes are to particular assumptions. Microcomputer use, quantitative techniques, and examples involving item reordering and adoption of word…

INSTAN, a computer program designed to aid in appropriate media selection for classroom teaching, comprises three interrelated sections which focus on instructional objectives, the instructional environment, and instructional material selection. INSTAN is not described as an all-inclusive media selection model, but as a paradigm for further…

Explores use of uniquely developed microcomputer programs at Purdue University Undergraduate Library which provide reference service when reference personnel are unavailable. These programs, which allow patrons to query specific subjects of interest, also generate statistical summaries used for development of library instruction programs,…

Highlights major happenings in educational computing in developed nations worldwide including Australia, Canada, France, Germany, Great Britain, Japan, Russia, and Sweden. The topics discussed include approach to computer education, each country's use of microcomputers in vocational schools, software development, and teacher education. (MBR)

The use of a microcomputer as the basis of a multichannel analyzer (MCA) system is described. Principles of microcomputer MCA, choice of microcomputer, input-output port, data display, MCA program, and interrupt routine (with flowchart) are the topic areas considered. (JN)

Equipped with simple sensors and software, a microcomputer can become a microcomputer-based laboratory (MBL). Discusses the value of MBL's and provides three programs which preview the new MBL kits available for science classes. A list of commercially available MBL's (with product names, current prices, and other information) is also included. (JN)

The use of trial-and-error strategies to solve problems is endorsed. Types of problems with which trial and error is effective are discussed, with examples of how it is used, and teaching considerations are briefly considered. A computer program for one problem is included. (MNS)

Three numerical coefficients for analyzing the validity and reliability of ratings are described. Each coefficient is computed as the ratio of an obtained to a maximum sum of differences in ratings. The coefficients are also applicable to the item analysis, agreement analysis, and cluster or factor analysis of rating-scale data. (Author/BW)

Presents detailed components of a six-hour inservice workshop to familiarize teachers with microcomputers. (MD)

Presents methodological considerations in developing an automatic cheap algorithm for computerized path diagraming, gives some plotted results, and describes a program which produces the plots from an input matrix of path coefficients on a standard line printer. The program accommodates unidirectional and reciprocal causation and represents…