Basic Features

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.

Annunciators

Annunciators are symbols that appear in the display as messages, or after certain keys or key combinations have been pressed. Annunciators are special symbols indicating a specific status in the calculator. Table 1-3 lists the annunciators.

Table 1-3Annunciator Symbols

Annunciator Symbol

Status

()

The shift key has been pressed. When

 

another key is pressed with this symbol

 

displayed, the secondary function printed on

 

the bevel of the key is activated.

 

 

Big (=) symbol

When displayed with an item, for example,

 

Price =, it indicates the value assigned to that

 

variable.

 

 

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HP 20b Consultant Financial manual Annunciators, Annunciator Symbol Status