silent linking
TI's term for the capability of GraphLink communications without using the Link menu. Older TI
calculators do not have silent linking.
SMAP II
The name of the BCD floating point number format used on the TI-89 and TI-92 Plus. Refer to the
TI-89 / TI-92 Plus Developer Guide (the SDK manual) for more details.
source code
The original, human-readable form of calculator programs. Can refer to programs in assembly, C or TI
Basic. The source code is converted to assembly code with an assembler or compiler. In the case of TI
Basic, the source code is converted to tokens by an on-calculator interpreter. These tokens in turn
invoke built-in assembly language segments on execution.
status line
The line at the very bottom of the calculator display, which shows the current folder and various
annunciators.
symbolic
Used to describe operations on variables as opposed to numeric calculations. For example, a+b is a
symbolic calculation, but 1.2 + 3 is a numeric calculation.
symbolic constant
A constant which can be manipulated by the CAS as a symbolic value, instead of simply a numeric
value. Symbolic constants include Œ, i, ℯ and ∞.
syntax error
Message displayed by the calculator when a program does not have the proper syntax, that is, the
program does not conform to the rules of the programming language. The syntax error dialog box
usually includes an option to open the program editor at the offending line of code. To fix a syntax
error, you must understand both the intent of the program and the programming language.
system variable See reserved function name
text editor
The built-in TI-89 / TI-92 Plus application in which you create and edit text variables.
test operator See conditional operator
TI
Texas Instruments (what else?)
TI92+
Acronym for TI-92 Plus.
TI Basic
The BASIC programming language interpreter which is built into the TI-89 / TI-92 Plus. Often just called
BASIC.
ticalc, ti-calc
Refers to the web site www.ticalc.org, a popular third-party site for TI calculator information and
programs. Heavily oriented towards games, and accepts all program submissions, regardless of
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