Calculus has a reputation problem: students learn to pattern-match derivative rules without ever understanding what a derivative is, then hit the wall at related rates, optimization, or the first integral that doesn't match a template. Solution manuals make it worse — you nod along at a worked solution and then can't reproduce it on the exam.
The tutor below makes you supply the reasoning. Which rule applies here, and how do you know? What is this problem actually asking, in plain English? It's slower than copying — which is exactly why it works. AP Calc AB/BC and college Calc I/II are both in range.
The tutoring is free — no account, no card. Create a free account and the tutor remembers you between sessions.
Paste in d/dx of x^2 · sin(x). The tutor asks: is this one function or two multiplied together? Which rule handles a product? You state the product rule; it has you identify u and v, differentiate each, assemble the result yourself. Then the complete solution appears — with each rule named — so it's reproducible on Friday's quiz.
That's the house rule: the tutor never just gives the answer. It teaches — one hint at a time — because that's the only version of "help" that shows up on test day.
A patient tutor that's awake whenever the homework is due. Try it free above, or see pricing and the note for parents.
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