# Animation (2D & 3D)

This section is dedicated to modeling the 3D perspective effect in Excel 2003 standard.

#### Animated Asynchronous Electric Motor Model in Excel

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.

#### 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.