Lift—it is about the wing's attack. Using a virtual wind tunnel, pupils investigate wing shape and angle of attack. Learners use worksheets to record their observations and to convert verbal relationships into mathematical equations in...

The tutorial explores first order differential equations. Topics examined are linear equations, separable equations, Bernoulli differential equations, equilibrium solutions, Euler?s method, and intervals of validity. Class notes,...

This page of brief biographies taken from "A Short Account of the History of Mathematics," includes a paragraph on the life and work of Gabriel Cramer of "Cramer's Rule," fame.