i
Table of Contents
Legal Notice
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ii
HP 20b Business Consultant
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iii
HP 30b Business Professional
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iv
Keyboard Map Legend
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v
1 Basic Features
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1
Welcome to your new HP Financial Calculator
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1
Turning the Calculator On and Off
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1
Selecting a Language
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1
Adjusting the Display Contrast
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1
Cursor
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2
Two Line Display
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2
The Mode Menu: Setting Preferences
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2
Changing the Calculation Mode
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4
Key Presses, the Shift Key, Secondary, and Tertiary Functions*
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4
Annunciators
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6
The Input Key
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6
The Equals Key
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6
Using the Input and Equals Keys
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6
Editing and Clearing Entries
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7
The On/CE Key
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7
The Reset Menu
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7
Notes about Special Menus
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8
Memory and the Memory Menu
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8
Accessing Menus and Menu Maps
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8
2 Mathematical Calculations
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11
Mathematical Functions
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11
Number Entry and Display
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11
Chain Mode
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12
Algebraic Mode
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12
Reverse Polish Notation (RPN) Mode
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13
The RPN Stack
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13
Last Number
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14
One-Number Functions and the Math Menu
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18
Random number
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19
The Math Menu
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19
The Probability Sub-menu
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21
Binomial Functions
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23
Two-Number Functions
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23
Storing and Recalling Numbers
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24
Recall Arithmetic
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24
Storing and Recalling with Time Value of Money (TVM) Keys
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24
Recalling a Menu Item Value in a Menu
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25
Recalling and Storing Values in the Data and Cash Flow Menus
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25
Rounding Numbers
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25
Percentages
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25
3 Time Value of Money
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27
Time Value of Money (TVM) Keys
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27