Explore the properties of these two fascinating functions using trigonometry as a guide.

Explore the hyperbolic functions sinh and cosh using what you know about the exponential function.

This article introduces complex numbers, brings together into one bigger 'picture' some closely related elementary ideas like vectors and the exponential and trigonometric functions and. . . .

Find all the turning points of y=x^{1/x} for x>0 and decide whether each is a maximum or minimum. Give a sketch of the graph.