How to use

First enter the variable and the point at which you take the limit. In the example below, that's "x" approaching 3. Then, enter a valid expression, make sure "Evaluate the Limit" is selected in the menu, and click Answer. To get started, try working from the example problem already populated in the box below. Remember, if you're working on homework your teacher isn't stupid -- he or she knows if you're just using a calculator! So obey his or her instructions and do your own work if asked. Consider going back to our list of calculus lessons to review limits.