Texas Instruments TI-89 用户手册

Memory and Variable Management

 708

Additional free RAM can improve performance times for certain types of calculations.

From the VAR-LINK Screen

From the VAR-LINK Screen

From the VAR-LINK Screen

From the VAR-LINK Screen

To archive or unarchive:

1. Press 

2 ° to display the 

screen.

2. Select one or more variables, which can be in different folders. (You can select an 

entire folder by selecting the folder name.)

 To select a single variable, highlight it. To select multiple variables, highlight 

each variable and press 

† Ÿ.

You can access an archived variable just as you would any locked variable. For all 
purposes, an archived variable is still in its original folder; it is simply stored in the user 
data archive instead of RAM.

 An archived variable is locked automatically. You can access the variable, but you 

cannot edit or delete it.

3. Press 

ƒ and select either:

– or –

If you select 

, the variables 

are moved to the user data archive.

û = archived variables