Describes survey of public school administrators in Allegheny County, Pennsylvania, which was conducted to determine how their perceptions of computer training needs vary across administrative categories. The needs assessment questionnaire is described, ranking of computer competencies is discussed, and implications for educational planners for…

Describes direct and indirect voltage input techniques and their applications to voltage measurements with a microcomputer. Details circuitry that can be used for this with a gameport. Gives examples of circuit modifications, application of voltage measurement, and alternatives to this method. (CW)

Discusses the mathematical properties of magic squares. Includes a computer program that will test magic square criteria. (PK)

Describes methods and software for graphing representation of a complex function of a complex variable. Includes an application of a graphical interpretation of the complex zeros of the cubic and their properties. (PK)

Presents the results of statistical analyses and interpretations of data obtained from students in two engineering fundamentals courses on an attitudinal survey. Indicates positive and significant improvement in student attitudes toward their own drawing abilities and the importance of drawing in their lives and careers. (CW)

Describes five computer software packages; four for MS-DOS Systems and one for Apple II. Included are SPEC20, an interactive simulation of a Bausch and Lomb Spectronic-20; a database for laboratory chemicals and programs for visualizing Boltzmann-like distributions, orbital plot for the hydrogen atom and molecular orbital theory. (CW)

Discusses five practical and necessary features of language learning theory: audio-oral phenomenon, linking creativity and control, temporary separation of language components, contrastive analysis, and language learning via instruction. Major language theories and technologies in light of their theoretical justifications versus their realistic…

Describes the rapid progress of computer technologies in China. Details the increased role of computers in business. Presents the problem of Chinese characters in computer usage especially in business. Enumerates computer usage in China at this time. Cites the quantity and quality of computer software as a major limitation. (CW)

Describes the development, implementation, and administration of a program training graduate-level teaching assistants in foreign language instruction to use computer assisted instruction. The program so far has encouraged the graduate students' interest in computers and increased computer literacy. (CB)

Describes the planning and organization of a media center for a new high school building in Michigan. The philosophical issues considered are discussed in terms of current and future needs and the technology available, and the school's computerized electronic access system for instructional and administrative use is described. (EM)

Describes a computer program written in Microsoft BASIC for use on personal computers to calculate travel times of refracted waves in layered structures with arbitrary dipping interfaces. Exercises for student use are given to illustrate some of the basic properties of reversed refraction travel time graphs. (TW)

Describes how the graphics capabilities of the Apple Macintosh computer can be used in geological teaching by customizing fill patterns with lithologic symbols. Presents two methods for doing this: creating a dummy document, or by changing the pattern resource resident in the operating system. Special symbols can also replace fonts. (TW)

Presents practical teaching suggestions selected from commercially available materials and also submitted by readers that can be easily adapted to different grade levels. Includes seven computer-based activities on topics such as map-making, word games, database logic, concatenation, and one-line programs. (ML)

Presents practical teaching suggestions selected from commercially available materials and also submitted by readers that can easily be adapted to different grade levels. Contains eight computer based activities which provide experience with spreadsheets, random number functioning, word puzzles, survey plotting, graphics, and Logo programming. (ML)

Faculty members who write computer software for teaching often find that their chances of getting credit for it during promotion-and-tenure reviews are slim. Software development needs to be considered scholarship just like research. (MLW)