This first in a series on the programable calculator presents a chapter on the basic operations. The series is written for a particular calculator, Hewlett-Packard's HP-25. (MP)

Suggestions are given for using the calculator in junior high classrooms. Square roots, factoring, and percentages are some topics discussed. A worksheet is included. (MP)

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)

A method for finding any integral root of a number using a four-function calculator is given, along with a justification of the method and root-finding exercises. (MN)

The calculator is used in conjunction with the measurement of the sides of right triangles to discover the Pythagorean property. (MP)

Chapter two of the book, "Problem Solving with Calculators,"is presented. Topics covered include parts of a problem, steps in problem solving, guessing, and methods of calculation. (MP)

The authors present a teaching module designed to allow students to convert fractions to decimals using any four function calculator, do the prime factorization of the denominator with the calculator, and find patterns formed by the denominators of the fractions that are terminating decimals. (MN)

This is the fourth installment of a "teach yourself" style workbook about simple four function calculators and elementary concepts in computer programing. This installment introduces mixed operations. (MN)