Keyboard Map Legend ....................................................................................................... 6
Basic Features
Welcome to the HP 20b Financial Calculator ..................................................................... 7
Turning the Calculator On and Off...................................................................................... 7
Selecting a Language ......................................................................................................... 7
Adjusting the Display Contrast............................................................................................ 7
Cursor ................................................................................................................................. 7
Two Line Display ................................................................................................................ 8
The Mode Menu: Setting Preferences ................................................................................ 8
Changing the Calculation Mode........................................................................................ 10
Key Presses and the Secondary Function : Key .......................................................... 11
Annunciators..................................................................................................................... 11
The I Key .................................................................................................................. 12
The = Key ...................................................................................................................... 12
Using the I and = Keys .......................................................................................... 12
Editing and Clearing Entries ............................................................................................. 13
The On/CE O Key .......................................................................................................... 13
The Reset :x Menu .................................................................................................... 13
Notes about Special Menus.............................................................................................. 13
Memory and the Memory Menu........................................................................................ 13
Accessing Menus and Menu Maps................................................................................... 14
Contents
Contents
Legal Notices
Revision History | 2 |
HP 20b Business Consultant Keyboard
1
2 Mathematical Calculations |
|
Mathematical Functions | 16 |
Number Entry and Display | 16 |
Chain Mode | 17 |
Algebraic Mode | 17 |
Reverse Polish Notation (RPN) Mode | 18 |
The RPN Stack | 18 |
Last Number | 19 |
22 | |
The Math :s Menu | 23 |
The Probability | 25 |
3