Texas Instruments Titanium TI-89 User Manual

Memory and Variable Management 712
Unarchived variables are “marked for deletion,” meaning they will be deleted during the
next garbage collection.
If the MEMORY Screen Shows Enough Free Space
If the MEMORY Screen Shows Enough Free SpaceIf the MEMORY Screen Shows Enough Free Space
If the MEMORY Screen Shows Enough Free Space
Even if the
MEMORY screen shows enough free space to archive a variable, you may still
get a Garbage Collection message.
This TI-89 Titanium memory screen shows
free space that will be available after all
“marked for deletion” variables are deleted.
When you unarchive a variable, the Flash
ROM free amount increases immediately, but
the space is not actually available until after
the next garbage collection.
variable A
variable D
After you unarchive
variables B and C, they
continue to take up
space.
Sector 1
Sector 2
Sector 3

Texas Instruments Titanium TI-89 Specifications

General

Display Type	LCD
Display Resolution	160 x 100 pixels
Memory	188 KB RAM, 2.7 MB Flash ROM
Type	Graphing Calculator
Display	Monochrome
Processor	Motorola 68000
Processor Speed	12 MHz
Power Source	4 AAA batteries
Connectivity	USB
Programming	TI-BASIC, Assembly
Operating System	AMS (Advanced Mathematics Software)