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Texas Instruments TI-89 Guide Book

Texas Instruments TI-89
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354 Chapter 21: Memory and Variable Management
21MEMORY.DOC TI-89/TI-92 Plus:Memory & Variables Mgmt (English) Susan Gullord Revised: 02/23/01 1:20 PM Printed: 02/23/01 2:19 PM Page 354 of 16
The Flash ROM free displayed on
the Memory screen
2¯
is
shared by archive and Flash
applications. This Flash ROM is
divided into sectors of 64-KB
memory. Each individual sector
can contain either archive or Flash
applications, but not both.
Therefore, the actual maximum
available space for archive or Flash
applications can be less than the
total Flash ROM free shown on the
memory screen.
64-KB
Sector C
64-KB
Sector A
64-KB
Sector B
Flash application A
Available
for Archive
(89-KB)
variable A
variable B
variable C
25-KB
25-KB
Available
for Flash
applications
(89-KB)
Flash
ROM free
(114-KB)
64-KB
Flash ROM free on
the MEMORY
Screen
Note: For TI-92 Plus
Modules and some TI-89
users, their maximum
archive space is about
384-KB regardless of how
much free Flash ROM is
available.
Shows Flash ROM free

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Texas Instruments TI-89 Specifications

General IconGeneral
Display size (HxV)100 x 160 mm
Memory type639K FLASH ROM, 188K bytes RAM
Compatible operating systemsOperating System 2.09
Battery typeAAA

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