83Plus:OS:Variable Versions

This page is to document the Version field in the TI-83 series calculator's Variable header.

Version Bytes

Here are the currently defined compatiblity levels for 83+/84+ programs and variables:

Default to 00h if no 69**, BB**, or EF** tokens are present.

Number	OS Version	69 range	BB range	EF range	Description
00h	TI-83 (all)	6900-6937	BB00-BB67	None	'ZXscl' through 'ZXres' and 'npv(' through 'DiagnosticOff'
01h	TI-83 Plus (all)	6900-6937	BB00-BBCE	None	Added 'Archive ' through 'GarbageCollect'
02h	TI-83 Plus 1.15+	6900-6937	BB00-BBDA	None	Added '~' through '%'
03h	TI-83 Plus 1.16+	6900-6937	BB00-BBF5	None	Added '...' through inverse '='
04h	TI-84 Plus (all)	6900-6937	BB00-BBF5	EF00-EF12	Added 'setDate(' through 'ExecLib'
05h	TI-84 Plus 2.30+	6900-6937	BB00-BBF5	EF00-EF16	Added 'invT(' through 'Manual-Fit'
06h	TI-84 Plus 2.53MP+	6900-6937	BB00-BBF5	EF00-EF3E	Added 'ZQuadrant1' through 'FRAC'
07h	TI-84 Plus 2.55MP+	6900-6937	BB00-BBF5	EF00-EF40	Added 'STATWIZARD ON' and 'STATWIZARD OFF'
0Ah	TI-84 Plus CSE 4.0+	6900-69FF	BB00-BBF5	EF00-EF75	Added 'TraceStep' and 'BLUE' through 'Dot-Thin'
0Bh	TI-84 Plus CE 5.2+	6900-69FF	BB00-BBF5	EF00-EF98	Added 'tinydot' through 'eval('
0Ch	TI-84 Plus CE 5.3+	6900-69FF	BB00-BBF5	EF00-EFA6	Added 'Execute Program' through 'piecewise('
FFh	None	6900-69FF	BB00-BBFF	EF00-EFFF	Invalid tokens

Ranges are inclusive.

69** token ranges are not considered by a calculator when it generates the version.

Clock Tokens

In addition, bit 5 is set if any token using the RTC (EF00-EF10, 'setDate(' through 'ClockOn') is present. Presumably the intention was to allow some future 83+ OS to support the new tokens that don't require an RTC, but this never happened.

Credits and Contributions

• Ben Moody For initial documentation.