HP 30b - Business Professional Calculator - Keyboard Map Legend

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Keyboard Map Legend
* Only applies to HP 30b.
**Does not apply to the HP 20b.
Number Feature Number Feature
1 2-line, alphanumeric scrolling
display screen
9 Common Mathematical
functions and Math (Math)
menu
2 Time Value of Money keys
(TVM)
10 Program menu*
RPN Swap/Close parenthesis
3 Cash Flow, IRR and NPV keys 11 Backspace key/Reset menu
4 Data and Statistics menus 12 Percent/Percent calculation
(business) and Date menus
5 Input key and Memory menu 13 Recall and Store
6 Insert and Delete/scroll (up
and down)
14 Black-Scholes** and Bond
menus
7 Shift key 15 Amortization/Depreciation
menus
8 On/Off/Cancel 16 Annunciators