HP 39g Graphing Calculator Guide de l'utilisateur télécharger pdf (Page 16)

1-6 Getting started

Shifted keystrokes

There are two shift keys that you use to access the operations

and characters printed above the keys:>6+,)7@ and >$/3+$@.

HELPWITH The HP 39G built-in help is available in HOME only. It

provides syntax help for built-in math functions.

Access the HELPWITH command by pressing >6+, )7@

SYNTAX

and then the math key for which you require syntax help.

Example Press>6+,)7@

SYNTAX

>[@ >(17(5@

Note: Remove the left parenthesis from built-in

commands such as sine, cosine, and tangent before

invoking the HELPWITH command.

Key Description

>6+,)7@ Press the >6+,)7@ key to access the

operations printed in blue above the

keys. For instance, to access the Modes

screen, press >6+,)7@, then press >+20(@.

(

MODES is labelled in blue above the

>+20(@ key). You do not need to hold

down >6+,)7@ when you press HOME.

This action is depicted in this manual as

“press >6+,)7@

MODES.”

To cancel a shift, press >6+,)7@ again.

>$/3+$@ The alphabetic keys are also shifted

keystrokes. For instance, to type Z, press

>$/3+$@Z. (The letters are printed in

orange to the lower right of each key.)

To cancel Alpha, press >$/3+$@ again.

For a lower case letter, press

>6+,)7@>$/3+$@.

For a string of letters, hold down

>$/3+$@ while typing.

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HP 39g Graphing Calculator Guide de l'utilisateur Page 16