To begin, though, we need to cover some terminology that is common to all PC applications and some specific to the ClassPad. Lesson Goals . To learn basic window terminology . To become comfortable using the Main Application . To learn how to use the soft keyboard . To learn how to change number format In Lesson 2, you will learn how to: . Identify specific parts of a window . Use the ClassPad’s soft keyboard . Store a number in a variable and clear variables . Use the Main application’s buttons