By using a derivative, you can take a supply function and determine the marginal revenue at any given quantity of product.

What is the derivative and why do you need it in physics? Here is a very quick introduction to derivatives to get you through your first physics course.

We like mechanical calculators like slide rules, but we have to admit that we had not heard of the Ott Derivimeter that [Chris Staecker] shows us in a recent video. As the name implies, the ...

Lagrange interpolation estimates a function at a reference position x from known values of the function at distinct non-uniformly spaced points x1, ....., xn. Here, the corresponding η-point ...