Wikipedia with MathJax
The Mathist - The Joy of Math
You can write your math notes better with this app.
GeoGebra Math Apps
This app helps teach you geometry.
IXL
IXL is a very popular online service that teaches math.
GeoGebra Classic
This is a geometry calculator.
Desmos Graphing Calculator
This is a graphing calculator
This is a free graphing calculator website that is free and gets outstanding reviews.
Melanto Calculator Extension
This extension will add a calculator to the Chrome browser.
Desmos Graphing Calculator
This is a highly rated graphing calculator.
XtraMath
This app teaches students about the four major operations of mathematics.
Prodigy Math Game
This is for grades 1-8. It claims to teach 1,000 different areas of math.
Daum Equation Editor
People often do not think about typing math the way we do with written language. This is an equation editor for Chrome.
Algebra Calculator by MathPapa.com
This app goes beyond a classic calculator. It shows you all of the steps and helps teach you the process.
Math Games
This has a number of math games for preschool through 8th grade.