Texas Instruments TI-89 User Manual - Page 705
Pasting a Variable Name to an Application, Deleting a Variable or a Folder from the Home Screen
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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. Memory and Variable Management 705