The authors propose that electronic calculators can be perceived as function generators rather than mere computational aids and can be used to investigate function concepts such as domain, range, composition, inverse, correspondence and so on. (MN)

Compiling resource units is suggested as a means of involving prospective high school mathematics teachers in the various activities associated with mathematics teaching. A resource unit is a collection of elements used in teaching a particular topic and includes: outlines, objectives, activities, strategies, audio-visual aids, test items, and…