As time has progressed, the role of applied mathematics has become increasingly important. Indeed there are now more students enrolled in applied mathematics courses in senior high schools and colleges than in pure mathematics. Such courses become more relevant both to the student and to future employers, if the same constants and equations that…

Lists a short Applesoft program which uses Hi-Res graphics to help students aged eight and up learn the points of a compass. Program features include help on incorrect responses and display of the percentages of correct responses at the end of a session. (JN)

Presented is an accounting of known numbers of major categories of life, from viruses to mammals. The construction of the census is described. Included are living and nonliving species and genera. (CW)