HP 39g+ Graphing Calculator Guide de l'utilisateur télécharger pdf (Page 44)

2-4 Aplets and their views

In HOME You can also evaluate any expression in HOME by

entering it into the edit line and pressing .

For example, define F4 as below. In HOME, type

F4(9)and press . This evaluates the expression,

substituting 9 in place of X into F4.

SYMB view keys The following table details the menu keys that you use to

work with the Symbolic view.

Key Meaning

Copies the highlighted expression to

the edit line for editing. Press

when done.

Checks/unchecks the current

expression (or set of expressions).

Only checked expression(s) are

evaluated in the Plot and Numeric

views.

Enters the independent variable in the

Function aplet. Or, you can use the

key on the keyboard.

Enters the independent variable in the

Parametric aplet. Or, you can use the

key on the keyboard.

Enters the independent variable in the

Polar aplet. Or, you can use the

key on the keyboard.

Enters the independent variable in the

Sequence aplet. Or, you can use the

key on the keyboard.

Displays the current expression in text

book form.

Resolves all references to other

definitions in terms of variables and

evaluates all arithmetric expressions.

Displays a menu for entering variable

names or contents of variables.

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HP 39g+ Graphing Calculator Guide de l'utilisateur Page 44