Celebrate Pi

Today is 3/14. Happy Pi day! Pi (π) is the circumference of a circle divided by its diameter. This ratio is always the same, for every circle of every size. And it has an infinite number of decimal places. π is used for calculations involving diameter, volumes of cylinders, the double helix of DNA, waves, ripples, … Continue reading Celebrate Pi

Cut the Fluff, Get to the Stuff

The title of my post refers to the basic concept behind the In 90 Pages books. I've been teaching, lecturing, promoting, and using Microsoft Office since 1995 (Office 95, aka Office 7). I've written many textbooks more than 400 pages in length, and they served their purpose. But now I'm meeting more and more students who haven't … Continue reading Cut the Fluff, Get to the Stuff