HP 20b Business Consultant Financial Calculator User Manual Page 16
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Basic Features8
Notes about Special Menus
The Mode, Memory, Math and Reset menus are unique menus; they allow you to work in
another menu simultaneously without having to exit. For example, if you were working in the
Bond menu prior to entering one of these menus, pressing O to exit returns you to your
previous work in the Bond menu.
Memory and the Memory Menu
The Memory menu contains the following items: memories 1–9 (Mem 1–9) and 0 (Mem 0),
Cash Flow, Statistics (Stats), programs (Prgm)*, and Memory. To enter the menu, press
:t. Press < or > repeatedly to scroll through the items starting with
memory 1 (Mem 1).
When a memory item is displayed, you can key in a new number and modify the value of
the memory by pressing
I.
For more information about storing and recalling numbers, refer to the section titled, Storing
and Recalling Numbers in Chapter 2.
The Cash Flow and Statistics data share the same memory and are limited to a combined total
of 50 memory slots. The number displayed with Memory refers to the number of remaining
memory slots. When the cash flow or statistics items are displayed, a number also appears
on the bottom line. This number indicates the number of memory slots used by the cash flow
or statistical data.
290 bytes are available for programs. The Prgm* menu item displays the number of bytes
used.
Press I on the Cash Flow, Statistic, or Prgm* menu item to erase the associated data.
Since entering data in these menus can represent a significant amount of work, you will be
asked to confirm your choice. At the Del.Data?, Del. Prgm?*, or Del.CF? prompts, press
I to confirm, or O to cancel.
Accessing Menus and Menu Maps
Many of the calculator's functions are located within menus. To access a menu, press the key,
or secondary-function, key combination for the menu in which you wish to work. To exit a
menu, press
O.
For example, to access the Break-even menu, press : .
* Only applies to the HP 30b.
- HP 20b Business Consultant 1
- HP 30b Business Professional 1
- Legal Notice 2
- Keyboard Map Legend 5
- Table of Contents 7
- Selecting a Language 9
- Two Line Display 10
- until the 11
- <<< 12
- << 12
- Basic Features 13
- Annunciators 14
- The Input Key 14
- The Equals Key 14
- Editing and Clearing Entries 15
- The On/CE Key 15
- The Reset Menu 15
- Notes about Special Menus 16
- Memory and the Memory Menu 16
- Accessing Menus and Menu Maps 16
- or > 17
- returns 17
- with that 17
- Basic Features10 18
- Mathematical Functions 19
- Number Entry and Display 19
- Chain Mode 20
- Algebraic Mode 20
- I or = are valid 21
- I, this 22
- + changes the 22
- <<<< 23
- Mathematical Calculations 25
- Mathematical Calculations18 26
- Random number 27
- The Math Menu 27
- I on any of these items to 28
- The Probability Sub-menu 29
- Binomial Functions 31
- Two-Number Functions 31
- Storing and Recalling Numbers 32
- Recall Arithmetic 32
- returns 0.25 33
- % to add or subtract x % 34
- - returns 150, or 200-25% 34
- 3 Time Value of Money 35
- :x. Press < or > 37
- A. The Amortization 37
- V, M and [ 37
- A followed by < or 38
- I to reset, or O to cancel 40
- :& 41
- O once again 42
- Canadian Mortgage Example 44
- as 1 is the default 45
- Cash Flow Example 46
- P and IRR R 49
- Cash Flows42 50
- Editing Cash Flows 52
- Sample Cash Flow Diagrams 54
- = to calculate it 56
- Bond Calculation Example 57
- O again to exit the menu 58
- :(HOLD)B 59
- The Black-Scholes Menu 60
- (the Black-Sholes key) 60
- = in the 61
- to scroll through the menu 62
- :(HOLD) B 63
- to scroll to the 64
- 8 Date Calculation 65
- 9Break-even 67
- The Percent Calculation Menu 69
- repeatedly to scroll to the 69
- Percent Calculation Examples 70
- to reset the menu, or O to 72
- 11 D e p r e c i a t i o n 73
- The Depreciation Menu 74
- Depreciation Example 75
- 12 Statistical Operations 77
- The Data and Stats Menus 78
- Statistics Example 80
- :z<< 82
- 13 Programming 83
- : and simultaneously 83
- : >or< 84
- Programming Example 85
- Program Step 0 86
- : and the < 87
- Programming80 88
- Figure 2 88
- (HOLD) 89
- Sub-Function Call 90
- and (HOLD) functions 90
- .05003:$1 91
- Messages 92
- (HOLD) . If you want to 93
- Programming86 94
- Table 13-4 94
- Digit Description 94
- Programming88 96
- 14 E rro r M e s s a g e s 97
- Replacing the Batteries 99
- Regulatory Information 100
- Modifications 101
- Canadian Notice 101
- Avis Canadien 101
- Japanese Notice 102
- Korean Notice 102
- Contact Information 103
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