Basic Features
Table
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.
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