This text investigates the fundamental methods and logical structures required to program the Texas Instruments TI-81 graphing calculator. The authors, Franklin D. Demana and his co-author, leverage their expertise in mathematics education to provide a structured approach to calculator utility. The book presents a framework for understanding the TI-81's internal command set and memory management to solve complex algebraic and trigonometric problems. It serves as a technical manual for students and educators seeking to extend the device's functionality beyond its factory settings.

Experts recognize this work as a foundational technical resource for early graphing calculator users. Readers frequently note the clarity of the instructional steps provided for navigating the TI-81 interface.