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HP 30b Manual

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Basic Features
5
• The primary function is printed on the top of the key.
• The secondary function is printed on the bevel of the key. To activate the secondary function of a key,
press and release
: followed by the key with the secondary function printed on the bevel.
• The third, or tertiary functions are printed above specific keys on the keyboard. To activate the
tertiary function of a key, press and hold
: and simultaneously press the key below the printed
function. Release both keys.
Figure 2 Primary, Secondary, and Tertiary Key Functions
In this manual, key symbols of the commands are provided throughout the manual so you can
follow along with the examples.
• The primary functions are represented by the key symbol with the primary function.
• The secondary key functions are represented by the shift key symbol,
:, followed by the key
with the secondary function. For example, to execute sine, press
:p. Note how the SIN
portion of the key is highlighted, while the
7 is grayed out. This highlighting focuses on the function
of the key that will be activated in a given command.
• Commands with a tertiary function are represented by the shift key symbol,
:, followed by the
term (HOLD), followed by the key with the tertiary function. For example, to activate the Black-Scholes
feature shown above, press
:(HOLD) B*.
When : is active, the down arrow annunciator appears on screen, indicating that the
next key pressed will execute the secondary function of the key. To cancel an accidental press
of :, simply press : a second time.
Key commands for example problems are provided throughout the text and in tables. Key
symbols are placed in the order they are to be pressed, from left to right.
* Does not apply to the HP 20b.
B
Primary
Function
Shifted
(secondary)
Function
Black S
Tertiary function:
(press SHIFT and
the function key
simultaneously)
… 13 …


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