221
TI
-
89 / TI
-
92 Plus Developer Guide
Not for Distribution
Beta Version January 26, 2001
Glossary
Aggregate
Either a list or a matrix.
AMS A
dvanced
M
athematics
S
oftware.
apps
Downloadable Flash applications.
ASCIIZ A
merican
S
tandard
C
ode for
I
nformation
I
nterchange
Z
ero
a
convention for encoding characters and numerals in a seven or
eight-bit binary number which is terminated with a zero byte.
ASM
Assembly-language program.
bignum
Another name for the rational number system that includes tagged
integers and tagged fractions.
Dirty
All equations and the variables referenced by those equations are
monitored after a graph is complete. If any of the equations or
referenced variables changes, the graph is marked as “dirty” so that
the next time the user views the graph it is regraphed.
estack
An abbreviation for expression stack.
expression stack
A generalized stack defined as an array of Quantums. The tokenizer
and simplifier use this stack to perform their tasks.
external form
The tokenized Polish representation produced by the parser and
provided to the 1D and 2D display procedures. External form is a
contiguous representation consisting of tagged constants, variables,
unary tags on top of one expression, binary tags on top of two
expressions, or other tags on top of a tail. External form has a direct
correspondence to the 1D input and output.
Freeware
Programs or databases that an individual may use without payment
of money to the author. Commonly, the author will copyright the work
as a way of legally insisting that no one change it prior to getting
approval. Commonly, the author will issue a license defining the
terms under which the copyrighted program may be used. With
freeware, there is no charge for the license.
Garbage collection
A procedure that automatically determines what memory is no longer
being used and recycles it for other use. This is also known as heap
compression.
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