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Glossary
TI
-
89 / TI
-
92 Plus Developer Guide
Not for Distribution
Beta Version January 26, 2001
Heap
The Heap is an area of memory where all dynamic data is allocated
from. All references to the heap are through handles which are
unsigned 16 bit quantities. Dereferencing a handle returns a pointer
to the actual data for the handle. Unless the handle is locked, the
data pointed to by a dereferenced handle may change whenever the
heap is compressed.
IDE I
ntegrated
D
evelopment
E
nvironment / TI
FLASH
Studio™.
internal form or
internally-simplified
A form similar to external form but with fewer tags and some tags
that do not occur in external form. For example, SUBTRACT_TAG,
DIVIDE_TAG, CHS_TAG, LOG_TAG, SIN_TAG, COS_TAG,
TAN_TAG, SINH_TAG, COSH_TAG, TANH_TAG, . . . do not appear
in internal form. Complex expressions (those having nonzero
imaginary parts) are represented using two expressions under an
IM_RE_TAG rather than using an I_TAG.
Localization
Changing the calculator to use the local language of another country.
Operating System (OS)
The software loaded on all TI
-
89 and TI
-
92 Plus calculators. The OS
contains the features that are of interest to customers, as well as
behind-the-scenes functionality that allows the calculator to operate
and communicate.
Pretty print
Format a mathematical expression so it is easier to read with the
goal of making the expression look the way it customarily appears in
math text books.
Quantum
Defined in the system by the C declaration typedef unsigned char
Quantum.
SDK S
oftware
D
evelopment
K
it
a set of tools that allow developers to
write software for specific platforms.
Shareware
Sometimes called
User Supported
or
Try Before You Buy
software. Shareware is not a particular kind of software, it is a way of
marketing software. Users are permitted to try the software on their
own computer systems (generally for a limited period of time) without
any cost of obligation. Payment is required if the user has found the
software to be useful or if the user wishes to continue using the
software beyond the evaluation (trial) period.
Payment of the registration fee to the author will bring the user a
license to continue using the software. Most authors will include other
materials in return for the registration fee
like printed manuals,
technical support, bonus or additional software, or upgrades.
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