# Introduction

This short Chapter uses a set of graphics to document the controls associated with the software. First you'll learn about controls on the Interface layer. Next, you'll learn about the Map/Model layer controls. Finally you'll see the controls found within the Equations layer.

For each control, you'll learn:

- What it is

- What it does

- Its keyboard equivalent, if one exists.

To learn more about the controls associated with specific building blocks and objects, look to the discussion in Chapters 4 and 6.