TryEngineering
Circuits and Boolean Expressions
Teach basic logic using Boolean operators. Young computer scientists learn about the operators NOT, AND, and OR, and how they can be expressed using Boolean notation, logic gates, or truth tables. Along the way, they learn about half...
California State University
California State University, San Bernardino: Inverse Functions
This site has many links to examples of inverse functions, including intersections, inverse by reflection, and graphing inverse functions.