Most keys on the HP 10bII+ have three functions:
a primary function printed in white on the key.
a secondary function printed in orange on the bevel of the key.
a tertiary function printed in blue above the key on the keyboard (see Figure 1).
As an example, the functions associated with the equals key,
primary function (equals):
secondary function (display):
tertiary function (random):
Boxed Key Functions
These special functions require subsequent key presses to operate. For example, the functions
associated with the clear key,
At a Glance...
Table 1-2 Clearing functions
Clear all memory.
Clears bond memory.
, are illustrated in the text