54 Chapter 2: TI-83 Plus Specific Information
TI-83 Plus Developer Guide Third Release May 28, 2002
• DAH = Data structure pointer’s high (MSB) byte.
• PAGE = ROM page the data structure resides on if archived, if it resides in RAM,
unarchived, this byte is zero (0).
• NL = Name length of the variable.
Note: For lists include the byte tVarLst in the length.
• F = Formula number attached to a list.
– Lists can have a formula attached to them that is executed every time the list is
accessed. The result of the execution is stored into the lists data structure.
– If this value is 0, there is no formula.
– This value is used to generate a unique name for the formula attached to a
particular list variable.
– The Symbol Table entry for one of these formulas would be:
-8 -7 -6 -5 -4 -3 -2 -1 0
00 F # ?
3Fh
Page DAH DAL Ver T2 EquObj
Table 2.16: Formula Example
• Variable names — See Naming Conventions.
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