Operation Manual

Chapter 18: Memory and Variable Management 333
Note: Resetting the archive includes resetting Pic and Image Vars.
3. Read the message below the menu.
• To cancel the reset and return to the HOME screen, press Í.
• To continue with the reset, select 2:Reset. A message indicating the type of archive memory
cleared will be displayed on the HOME screen.
Resetting All Memory
When resetting memory, consider backing up your data to another calculator unit. You can also backup
existing data to a computer using the TI-Connect™ software.
When resetting all memory on the TI-84 Plus C, RAM and user data archive memory is restored to
factory settings. All nonsystem variables, applications, and programs are deleted. All system variables
are reset to default settings.
Before you reset all memory, consider restoring sufficient available memory by deleting only selected
data.
To reset all memory on the TI-84 Plus C, follow these steps.
1. From the
RAM ARCHIVE ALL menu, press ~ ~ to display the ALL menu.
2. Select
1:All Memory to display the RESET MEMORY menu.
3. Read the message below the
RESET MEMORY menu.
• To cancel the reset and return to the
HOME screen, press Í.
• To continue with the reset, select
2:Reset. The message MEM cleared is displayed on the
HOME screen.
When you clear memory, the brightness contrast may change. If the screen is faded or blank, adjust the
contrast by pressing y } or †.
Grouping and Ungrouping Variables
Grouping Variables
Grouping allows you to make a copy of two or more variables residing in RAM and then store them as a
group in user data archive. The variables in RAM are not erased. The variables must exist in RAM before
they can be grouped. In other words, archived data cannot be included in a group. Once grouped, the
variables can be deleted from RAM to open memory. When the variables are needed later, they can be
ungrouped for use.
To create a group of variables: