OS Changelog
This page contains tables detailing which features were added with each operating system release. Taking this information into account can help you maintain a level of backwards compatibility. Commands that are —crossed out— were removed in that version.
TI-83+/SE
OS Version
Notable Changes
1.03
Initial version
1.10
1.12
1.13
1.14
1.15
1.16
1.17
1.18
1.19
TI-84+/SE
OS Version
Notable Changes
2.21
setDate( , setTime( , setDtFmt , SetTmFmt( , timeCnv( , dayOfWk( , getDtStr( , getDate , getTime , getDtFmt , getTmFmt , isClockOn , ClockOff , ClockOn , OpenLib( , ExecLib , checkTmr( , startTmr
2.22
2.30
Manual-Fit , χ²GOF-Test( , invT( , LinRegTInt
2.40
2.41
2.43
2.53MP
MATHPRINT , CLASSIC , DEC Answer , FRAC Answer , randIntNoRep( , ►F◄►D , logBASE( , summation Σ( , Un/d , ZFracX , remainder(
2.55MP
statwizard-off , statwizard-on
TI-84+CSE
OS Version
Notable Changes
4.0
Added support for the color screen (although it is really just the BW OS with some color commands)
4.2
TI-84+CE
OS Version
Notable Changes
5.0
—Get(—, —Send(—
5.0.1
5.1.0.0110
5.1.5.0019
Get( , Send( , timed Pause
5.3.0.0037
5.4.0.0034
5.4.1.0052
5.5.0
5.6.0.0020
—Asm—
February 22, 2026 04:34:09
February 19, 2026 06:22:47
KG