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 ...

A student works a problem in a second grade math class at Place Bridge Academy, May 20, 2025, in Denver. Early experiences with math can shape whether a student decides they're a "math person" or not.

Apple improved the Math Notes feature in iOS 26 and iPadOS 26, allowing users to input equations to create graphs in three dimensions. Math Notes was added in iOS 18 and iPadOS 18.