Math Tutoring Lessons 8 в Android Market

Math Tutoring Lessons 8 (v. 1.0) Разработано Defining Wizard

Did you know that all inverse equations are symmetric across the line y=x? Why is this?  Mr. Defining Wizard explains the definition of inverse and reviews a simple problem for you to refer back to for future referencing.  Horizontal Line Test and Vertical Line Test are not reviewed in this app.