My daughter asked me about her physics homework the other night. The problem was to determine the relationships describing how long it takes water to drain from a hole in the bottom of a bucket given various hole diameters and initial water heights. Given the derived relationships, the student was to determine the time to [...]

2008 East Coast Excel User Conference

Wednesday - Friday, September 24-26, 2008, Atlantic City, New Jersey
The conference will feature working sessions and classes designed to expand a user’s working knowledge of the dominant spreadsheet software. These sessions will be led by respected leaders in the Microsoft Excel community: Bernard Liengme, Damon Longworth, Bob Umlas, and Jon [...]

A college science professor named Roger Blickensderfer wrote to me about an animation he was working on. He wanted to trace the path followed by a point on the rim of a rolling wheel. Roger had cobbled something together, and I fiddled with it, and it kind of worked. But I decided I wanted it [...]

A high school physics teacher was asking questions in the Excel programming newsgroup about his VBA procedure that accepted input values (time, position, velocity, and acceleration) from the workbook, calculated values of position and velocity vs. elapsed time, and charted the results. I answered a couple of his VBA questions, but I suggested that he [...]

On infrequent occasions I take my show on the road and offer classes on advanced charting techniques. If I am taking part in an Excel User Conference, for example, I will usually offer a couple classes. There are two classes in particular that I like to present, and that participants rate highly:

Advanced Charting Techniques
Excel Charting [...]