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One of the most helpful features of the hp 40g
CAS is the on-line help provided by the
SYNTAX button (SHIFT 2). Pressing SYNTAX
will display the menu shown to the right. You
can use the up or down arrow keys to scroll
through this list but it is very extensive and it is
far quicker to press the button corresponding to the first letter of the function
on which you require information. For example, if you want help on the
NEXTPRIME function then press the ÷ button (letter N) to jump to the first
function beginning with N.
The help screen can be a little
crowded, as you can see to the
right, but generally contains an
extremely useful summary. An
example is always given and pressing
will cause this example to be pasted into the
editing screen.
There will often be up to three cross-references to other functions. Pressing
, , or will take you to the help screens for these functions.
Pressing will take you back to the editing screen without any action,
while pressing will take you back to the SYNTAX menu.
It is strongly suggested that you spend some valuable time going carefully
through this collection of help pages. They will give you an excellent feel for
the capabilities of the CAS.
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