Operation Manual

Chapter 18: Memory and Variable Management 327
3. Select variable types from the list to display memory usage.
Notes:
Real, List, Y- Var s, and Prgm variable types never reset to zero, even after memory is
cleared.
Apps are independent applications which are stored in Flash ROM. AppVars is a variable holder
used to store variables created by Apps. You cannot edit or change variables in
AppVars unless you
do so through the application which created them.
To leave the MEMORY MANAGEMENT/DELETE menu, press either y5 or ‘. Both options
display the home screen.
Deleting Items from Memory
Deleting an Item
To increase available memory by deleting the contents of any variable (real or complex number, list,
matrix,
Y= variable, program, Apps, AppVars, Pics Vars, Images Vars, graph database, or string), follow
these steps.
1. Press y L to display the
MEMORY menu.
2. Select 2:Mem Management/Delete to display the MEMORY MANAGEMENT/DELETE menu.
3. Select the type of data you want to delete, or select 1:All for a list of all variables of all types. A
screen is displayed listing each variable of the type you selected and the number of bytes each
variable is using.
For example, if you select 4:List, the LIST editor screen is displayed.
4. Press } and † to move the selection cursor (4) next to the item you want to delete, and then press
{. The variable is deleted from memory. You can delete individual variables one by one from this
screen. No warning will be given to verify the deletion.
Note: If you are deleting programs or Apps, you will receive a message asking you to confirm this
delete action. Select
2:Yes to continue.
To leave any variable screen without deleting anything, press y5, which displays the home
screen.
You cannot delete some system variables, such as the last-answer variable Ans and the statistical
variable
RegEQ.
Clearing Entries (Home Screen) and List Editor Elements
Clear Entries
Clear Entries clears the contents of the ENTRY (last entry on home screen) storage area. To clear the
ENTRY storage area, follow these steps.
1. Press y L to display the
MEMORY menu.
2. Select
3:Clear Entries to paste the instruction to the home screen.
3. Press Í to clear the
ENTRY storage area.