Hi Folks, there are many available built-in spreadsheet functions in Excel. Ocasionaly one might need to write a special custom function. This second short tutorial is an introduction to that. Creating a “Time Stamp” function is presented as a first example after which a concatenation function between a custom formatted date and a string (text) is introduced. This last function came about from… Read More... "Writing Excel User Defined Functions in VBA – part #2 – time stamping, concatenating date and text while maintaining the date format"
Modeling a Three-Pendulum Harmonograph – tutorial: part #1
Hi guys, here is the first part of a tutorial describing the mathematical equations used in modeling a three-pendulum harmonograph (automatic drawing machine). It pertains to the second version of the model. This section refers only to the kinematic equations for the movement of three pendulums. A second section will be published later and it will describe the kinematic equations involved in… Read More... "Modeling a Three-Pendulum Harmonograph – tutorial: part #1"