This is an animation of an asynchronous electric motor in Microsoft Excel. You can download the model by clicking on the icon below and try to run it.

#### About the Speed of Spreadsheets #2

This is the second post on Excel speed. The first part benchmarked the calculation speed of Excel 2003 versus Excel 2007 for various size arrays of formulas.

#### Power Management: An Animated Buck Switching Regulator Model in Excel 2003

This is an animated model of a Buck voltage switching regulator in MS Excel 2003.

#### About the Speed of Spreadsheets #1

This post considers several aspects about improving the speed of spreadsheets in both MS Excel 2003 and 2007.

#### A Gated Ring Oscillator Demo – Part#2

This is an upgrade from the first part in the sense that it can be adjusted to have more delay based inverters in the feedback (14).

#### A Gated Ring Oscillator Demo – Part#1

An interactive animated demo of the gated ring oscillator in Excel 2003 based on the previous tutorial. This model stands out because of the real time schematic animation.

#### An Interactive Gated Ring Oscillator Tutorial – part #4

This is the fourth part of tutorial about making an interactive animated Excel model of a gated ring oscillator in MS Excel 2003.

#### An Interactive Gated Ring Oscillator Tutorial – part #3

This is the third part of tutorial about making an interactive animated Excel model of a gated ring oscillator in MS Excel 2003.

#### An Interactive Gated Ring Oscillator Tutorial – part #2

This is the second part of tutorial walking through the creation of an interactive animated Excel model of a gated ring oscillator in MS Excel 2003.

#### An Interactive Gated Ring Oscillator Tutorial – part #1

This is the first part of tutorial explaining how to make an interactive animated Excel model of a gated ring oscillator in MS Excel 2003.