HP 20b Business Consultant - Page 12

Basic Features
12
Table 1-2 Changing the Operating Mode
Keys Display Description
O
Exits the Mode menu and returns
you to the default calculator
screen.
Key Presses and the Shift : Key
To activate a key, press and release the desired key.
Most of the 20b's keys have two functions: the primary function and the shifted, or
secondary function. 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. Unlike the shift key on a
typewriter or computer keyboard, it is not necessary to press and hold : while
pressing another key.
In this manual, commands with secondary key functions are represented by the
shift key symbol, :, followed by the key with the secondary function. For
example, to activate sine , press :p.