I. Basic Keys

    A. Modifiers (2nd, diamond, alpha, shift)

    B. Cursors, etc.

    C. Other Keys

1. APPS (applications)

2. CATALOG, CUSTOM, HOME

3. MODE

4. Comma, Parentheses, Brackets, Equal

5. Insert (INS), Delete (DEL) - Editing an Expression in the Entry Line

6. Copy, Cut, Paste

7. Backspace

8. STO (store): Storing Variables and Creating Folders

9. ANS (answer), ENTRY