In the Introduction to the Derivative video we introduce the notion of the derivative of a function and explain how the derivative captures the instantaneous rate of change of a function. In the ...

An idea is the incentive that makes people take action and start moving forward. But no matter who you are—a new or an experienced entrepreneur—it isn’t easy to move from the stage of your idea’s ...

Investors often lean into valuation ratios to determine what a company’s stock is worth. Why? Such ratios are easy to calculate and easy to find. Price/earnings ratio: A stock’s price divided by the ...