Differentiation rules, one piece at a time.
Learn how to differentiate powers, exponentials, products and quotients. Then practise tangent lines, normal lines and motion, or type your own function.
A fixed height has zero slope
A fixed height has zero slope
Even pi and e are constants. In the slope formula, the two heights cancel.
Numbers do not change
Your own function
Homework question not on this page? Type it in. You get the rule for each piece, outside in, one step at a time, then the tidy answer.
The tangent line touches the curve at the point; its steepness is f′(x). The measured slope zooms in on the curve, so it should match f′ once you finish the steps.
Need a hand choosing the right derivative rule?
Bring your practice questions. We work through them together until every type feels routine.
Questions, answered.
Still unsure about something? Message us and you will hear back within a day.
See all questionsIn person, we meet at the SFU Burnaby campus or in a private meeting room near Brentwood in Burnaby. Online sessions run on Zoom. You choose when you book.
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Tell us within 24 hours and you get a full refund. No forms, no arguing.
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Yes. Two or more students taking the same course can book together and each pays less per hour. Exam prep packages are also available before midterms and finals.
Yes. After each session you get an email report with what was covered, what to practise next and any files from the session. You can re-read them on your account page.