Texas Instruments TI-89 사용자 설명서

Memory and Variable Management

705

Deleting a Variable or a Folder from the Home Screen

Before deleting a folder from the Home screen, you must first delete all the variables
stored in that folder.

•

To delete a variable, enter the

DelVar

command on the calculator Home screen.

DelVar

var1 [, var2] [, var3] ...

•

To delete all variables of a specific type, enter the

DelType

command on the

calculator Home screen.

DelType

var_type where var_type is the variable type.

Note:

The

DelType

command deletes all variables of the specified type in all folders.

•

To delete an empty folder, enter the

DelFold

command on the calculator Home

screen.

DelFold

folder1 [, folder2] [, folder3] ...

Note:

You cannot delete the

MAIN

folder.

Pasting a Variable Name to an Application

Suppose you are typing an expression on the Home screen and can’t remember which
variable to use. You can display the

VAR-LINK

screen, select a variable from the list, and

paste that variable name directly onto the Home screen’s entry line.

Which Applications Can You Use?

From the following applications, you can paste a variable name to the current cursor
location.