HP 39g+ Graphing manual Home

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.

KeyMeaning

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.

2-4 Aplets and their views