Adventures in Education, Inc.


Basic Trigonometry with the TI-83+/84+ Graphing Calculator


Quarter Graduate Credits: 3

Dates:  To be arranged with instructor.

Location:  Online Self-Paced

Fees:  $410 Tuition

Graduate Credit Fee (optional through Portland State University): $165 (PSU Course Number: CI 808).

Special Fee:  $40  (includes TI-83/84 textbook, USPS priority mailing, handling, and free Online Course Workbook)



Registration: Register anytime and take up to 3 months to complete the course from time of registration. 


Click on the following link Registration

Questions:  Send email to or call 630-377-5035



Learn new and creative ways to effectively teach trigonometry concepts using the TI-83+/84+ graphing calculator with methods that align with NCTM Principles and Standards for School Mathematic and Common Core State Standards. Engage in hands-on activities you can immediately use in the trigonometry classroom to teach all students. Explore topics such as angle measures, solutions of right and oblique triangles, trig and circular functions and their graphs and inverses, trig identities and equations, polar graphs, linear and angular velocity, complex numbers, data analysis, and modeling. Offered cooperatively by Portland State University and Adventures in Education, Inc.


Materials Needed: 

1. Textbook:  Knowlton, E. (2012). TI-83+,TI-84+ and TI-83+ Silver Graphing Calculator: How To Best Use It. St. Charles, IL: Adventures In Education, Inc. (included in Special Fee)

2. Course Workbook (provided with materials)

3. TI-83+, TI-84+ or TI-83+ Silver Graphing Calculator (not provided with materials)

Instructor:  Elisabeth Knowlton, PhD

Contact Instructor: 

                                   or call 630-377-5035