A short set of materials is presented on loops. Three worksheets illustrate loops with paper and pencil, calculator, and computer, respectively. A computer program is given. (MP)

An algorithm for the calculator is given for determining the day of the week for any date. An instructional sheet, a worksheet, and a BASIC program are included. (MP)

Describes one program each for performing Fourier analysis and synthesis with a Hewlett-Packard HP-25 calculator. (MLH)

Solutions to difficult equations are illustrated with numerical techniques that can be used easily on calculators. Flowcharts and programs for computers and calculators are included. (MP)

Some insights are provided into techniques for removing the mystery of how calculators evaluate functions. (Author/MK)

Describes six crystallographic programs which have been developed to illustrate the range of usefulness of programmable calculators in providing computational assistance in chemical analysis. These programs are suitable for the analysis of x-ray diffraction data in the laboratory by students. (HM)

A problem from number theory is used to illustrate the use of the computer and programable calculators in solving problems. Programs are included. (MP)