This video provides an introduction to Calculus while briefly explaining how a limit can define the instantaneous rate of change from the average rate of change. This video is part of Unit 1 of AP Calculus BC on Limits and Continuity. You can contact me through the comments and community section, or email me at drofeng@gmail.com for questions.

This AP Calculus AB/BC video provides a loose definition for a limit. The epsilon-delta definition or the precise definition of a limit will be covered in future videos. This video is part of Unit 1 of AP Calculus AB/BC on Limits and Continuity. You can contact me through the comments and community section, or email me at drofeng@gmail.com for questions.

This AP Calculus AB/BC video illustrates how limits can be estimated from graphs, and several examples of cases where the limit does not exist. This video is part of Unit 1 of AP Calculus AB/BC on Limits and Continuity. You can contact me through the comments and community section, or email me at drofeng@gmail.com for questions.

This AP Calculus AB/BC video illustrates how limits can be estimated numerically from tables. This video is part of Unit 1 of AP Calculus AB/BC on Limits and Continuity. You can contact me through the comments and community section, or email me at drofeng@gmail.com for questions.

This AP Calculus AB/BC video illustrates how limits can be determined using their algebraic properties. Several theorems are introduced to simplify and evaluate limits of sums, differences, products, quotients and composite functions. This video is part of Unit 1 of AP Calculus AB/BC on Limits and Continuity. You can contact me through the comments and community section, or email me at drofeng@gmail.com for questions.

This AP Calculus AB/BC video illustrates several algebraic techniques to rearrange expressions into their equivalent forms to simplify the evaluation of their limits: factorisation, conjugates, reciprocals and composite functions. This video is part of Unit 1 of AP Calculus AB/BC on Limits and Continuity. You can contact me through the comments and community section, or email me at drofeng@gmail.com for questions.

This AP Calculus AB/BC video provides practice problems for selecting an appropriate procedure to evaluate limits. This video is part of Unit 1 of AP Calculus AB/BC on Limits and Continuity. You can contact me through the comments and community section, or email me at drofeng@gmail.com for questions.

This AP Calculus AB/BC video explains the squeeze theorem for evaluating limits. This video is part of Unit 1 of AP Calculus AB/BC on Limits and Continuity. You can contact me through the comments and community section, or email me at drofeng@gmail.com for questions.

This AP Calculus AB/BC video provides a practice problem for connecting multiple representations of limits. This video is part of Unit 1 of AP Calculus AB/BC on Limits and Continuity. You can contact me through the comments and community section, or email me at drofeng@gmail.com for questions.

This AP Calculus AB/BC video provides practice problems on identifying the different types of discontinuities using the graphical and analytical representations of a function. This video is part of Unit 1 of AP Calculus AB/BC on Limits and Continuity. You can contact me through the comments and community section, or email me at drofeng@gmail.com for questions.

This AP Calculus AB/BC video explains three conditions that must be satisfied for a function to be continuous at a point. This video is part of Unit 1 of AP Calculus AB/BC on Limits and Continuity. You can contact me through the comments and community section, or email me at drofeng@gmail.com for questions.

This AP Calculus AB/BC video covers worked examples on determining if a function is continuous at a point. This video is part of Unit 1 of AP Calculus AB/BC on Limits and Continuity. You can contact me through the comments and community section, or email me at drofeng@gmail.com for questions.

This AP Calculus AB/BC video explains how to confirm the continuity of a function over an interval. This video is part of Unit 1 of AP Calculus AB/BC on Limits and Continuity. You can contact me through the comments and community section, or email me at drofeng@gmail.com for questions.

This AP Calculus AB/BC video covers worked examples on detemining the intervals over which a function is continuous. This video is part of Unit 1 of AP Calculus AB/BC on Limits and Continuity. You can contact me through the comments and community section, or email me at drofeng@gmail.com for questions.

This AP Caluclus AB/BC video explains how to identify and remove removable discontinuities. This video is part of Unit 1 of AP Calculus AB/BC on Limits and Continuity. You can contact me through the comments and community section, or email me at drofeng@gmail.com for questions.

This AP Calculus AB/BC video provides a practice problem on how to identify and remove discontinuities. This video is part of Unit 1 of AP Calculus AB/BC on Limits and Continuity. You can contact me through the comments and community section, or email me at drofeng@gmail.com for questions.

This AP Calculus AB/BC video explains how to find vertical asymptotes using infinite limits. This video is part of Unit 1 of AP Calculus AB/BC on Limits and Continuity. You can contact me through the comments and community section, or email me at drofeng@gmail.com for questions.

This AP Calculus AB/BC video provides a practice problem on how to find vertical asymptotes using infinite limits. This video is part of Unit 1 of AP Calculus AB/BC on Limits and Continuity. You can contact me through the comments and community section, or email me at drofeng@gmail.com for questions.

This AP Calculus AB/BC video explains how to find horizontal asymptotes using limits at infinity. This video is part of Unit 1 of AP Calculus AB/BC on Limits and Continuity. You can contact me through the comments and community section, or email me at drofeng@gmail.com for questions.