HP 20B User Manual

Contents
3
Contents
Legal Notices
Revision History..................................................................................................................2
HP 20b Business Consultant Keyboard
Keyboard Map Legend .......................................................................................................6
1 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
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
One-Number Functions and the Math Menu ....................................................................22
The Math :s Menu.....................................................................................................23
The Probability Sub-menu ................................................................................................25

HP 20B Specifications

General

Type	Financial
Cover	-
Form factor	Pocket
Control type	Buttons
Product color	Black
Digits	12 digits
Display type	LCD
Display tilting	No
Display number of lines	2 lines
Battery type	CR2032
Power source	Battery
Auto power off	Yes
Number of batteries supported	2
Memory registers	110

Weight and Dimensions

Depth	149.2 mm
Width	77 mm
Height	16 mm
Weight	37.5 g