Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
Well three months in I think I've finally gotten my calculus students to understand what the difference quotient is for ... sort of.
They'll go off and do senior projects soon so I'm hoping they remember one or two useful things about calculus.