Wolfram Alpha

Wolfram Alpha was built to provide knowledge and solve problems. The capabilities are vast, but some features are behind a paywall.

• What it is about.
• Examples of what it is capable of.
• A discussion page for the site.

Desmos

Desmos is a free online graphing utility. It also has a large selection of pre-made lessons for teachers.

• What it is about.
• Lessons that have been created.
• A help page.

GeoGebra

GeoGebra is an online graphing calculator and also creates nice geometric diagrams.

• What it is about.
• Lessons that have been created.
• A help page.

Khan Academy

Khan Academy creates high quality content for many different subjects. For ease of finding links to use for their videos, I would recommend looking at the playlists on their YouTube Channel.

Math Cracker

Math Cracker provides calculators for many different algebraic problems and statistical tests.

Kuta Software

Kuta Software is useful in creating worksheets for many different mathematical courses.