I have two semesters of math classes to complete: Trigonometry and Calculus I. I have at TI-89 graphing calculator that I absolutely hate. Who the hell makes the interfaces for these things? 46 ...

Graphing calculators are a mainstay of both high school and college-level math and science courses. Most of us have had, or will have, experience working with either a Casio or a Texas Instruments ...