HP 10413 Datasheet download pdf (Page 26)

It is worth familiarizing yourself with the mathematical functions available on

the keyboard. If we examine them row by row, you will see that they tend to

fall into two categories - those which are specific to the use of aplets, and

those which are commonly used in mathematical calculations.

The screen keys

The first row of blank keys are context defined. The

reason they have no label is that their meaning is

redefined in different situations - they are the

‘screen keys’. The current meaning of each key is

listed in the row of boxes at the bottom of the

screen.

A common abbreviation used for these keys is SK1

or SK2 etc (for “screen key 1” ). In the PLOT view

shown above, some of the screen keys are labeled,

such as the key. When you press this the row of screen keys labels

appear or disappear. To see another view where all the keys are in use,

change to the APLET view.

Calculator Tip

Develop the habit of checking the screen to see if any of

those keys have been given meanings. In many views, the

screen keys have been set up with useful shortcuts and

functions.

Aplet related keys

The next two rows of keys and part of the

third are mainly aplet related, so we’ll deal

with them as a group.

The arrow keys

The arrow keys on the right are used in

most views, usually to move the cursor (a

small cross) or the highlight around on the

screen.

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HP 10413 Datasheet Page 26