At this site the student can move to sites on various topics in calculus. The site then has a link to both a tutorial and example site

This site explains Integration by Parts and then has several examples that you can work out on your own. You may check your answers when your finish!

Excellent site explaining how and why the Integration by Parts works. Go through the formula step-by-step.

The resource examines various integration techniques. Topics investigated are integration by parts, partial fractions, comparison test, and trigonometric substitutions. Class notes, definitions, and examples with detailed solutions are...

Good site with an example that is solved step by step for the student