I feel like graphing calculators were only really a “thing” for most people during that year or two of high school when you were forced to use one for whatever math class you were taking. It finally ...

The TI-89 is a graphing calculator used in advanced mathematics classes and approved for use on examinations like the Scholastic Aptitude Test and various Advanced Placement tests. While its large ...

[Photo: Christopher Mitchell] A quick show of hands: How many of you used a graphing calculator in school? Now, how many of you used it more to play games than to solve problems? If you still happen ...