Math Notes is a built-in feature that lets you crunch numbers on your iPhone, iPad, and Mac. Solve basic arithmetic and equations, create variables, and generate graphs easily with Math Notes.

Need to improve your note-taking skills? Whether you're in a lecture or reviewing textbooks, these 5 methods will help you capture information more effectively and study with confidence.

Stanford math professor Jo Boaler explains the problem with how we teach math, and how to fix it.

And experts say that using a laptop to take notes in class is a step in the wrong direction. The research is clear: Typing out your notes results in decreased comprehension of lecture material.