HP 20b Business Consultant Financial Calculator User Manual download pdf (Page 13)

Basic Features

• 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.

Primary

Function

Shifted

(secondary)

Function

Black S

Tertiary function:

(press SHIFT and

the function key

simultaneously)

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HP 20b Business Consultant Financial Calculator User Manual Page 13