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80 Memory and Variable Management
Available RAM, Archive, and App Slots
The TI-84 Plus / TI-84 Plus Silver Edition has Archive, RAM, and
Application (App) slot memory for you to use and manage. The available
RAM stores computations, lists, variables, and data. The available Archive
lets you store programs, Apps, and groups. The App slots are actually
individual sectors of Flash ROM where Apps are stored.
Displaying the About Screen
About displays information about the TI-84 Plus Operating System (OS)
Version, Product Number, Product Identification (ID), and Flash
Application (App) Certificate Revision Number. To display the About
screen, press y L and then select
1:About.
Displaying the MEMORY MANAGEMENT/DELETE Menu
Mem Mgmt/Del displays the MEMORY MANAGEMENT/DELETE menu.
The two lines at the top report the total amount of available RAM (RAM
FREE
) and Archive (ARC FREE) memory. By selecting menu items on this
screen, you can see the amount of memory each variable type is using.
This information can help you determine if you need to delete variables
from memory to make room for new data, such as programs or
applications.
To check memory usage, follow these steps.
Graphing
Handheld
Available RAM Available
Archive
App
Slots
TI-84 Plus 24 Kilobytes 491 Kilobytes 30
TI-84 Plus Silver
Edition
24 Kilobytes 1.5 Megabytes 94
Displays the type of
graphing handheld.
Displays the Product ID.
Each Flash-based graphing
handheld has a unique
product ID, which you
may need if you contact
technical support. You can
also use this 14 digit ID to
register your handheld at
education.ti.com, or
identify your handheld in
the event that it is lost or
stolen.
Displays the OS version.
As new software
upgrades become
available, you can
electronically upgrade
your unit.