This paper shows the basic concept of Functional Modelling in mathematics education which has become more and more important in recent years. Hence it is necessary to think about suitable graphical methods to explain the fundamental idea of a function and its influence on values and other functions. PROGRAPH diagrams are a potentially good way to…

Describes the use of programs written in BASIC and graphics facilities of microcomputers to make students aware of the assumptions of statistical models in linear regression and the design of experiments. Two references are cited. (CHC)