Continuity
Animations and movies
Animation: An animation showing a function which has left- and right-hand limits which agree, and another which doesn't. [L. Robinson]
Online problems
Problems: Determine whether several piece-wise defined functions are continuous. [Maths online]
Problems: Determine whether several piece-wise defined functions are continuous. [Visual calculus]
Problems: Determine whether several piece-wise defined functions are continuous. [Visual calculus]
Problems: Multiple answer quiz testing basic properties of continuous functions. [Visual calculus]
Problems: Determine the continuity of piece-wise defined functions, with detailed solutions. [Duane Kouba]
Problems: Evaluate several different limits as x goes to infinity, with detailed solutions. [Duane Kouba]
Online tutotials
Visual calculus: Limits and Continuity
HMC calculus tutor: Continuity