Texas Instruments TI-83 PLUS - Manual (Page 520)

TI-83 Plus Programming 517
Program Output
Repeat
Repeat repeats a group of commands until condition is true (nonzero). It is
similar to While , but condition is tested when End is encountered;
therefore, the group of commands is always executed at least once. Repeat
instructions can be nested.
:Repeat condition
: command (until condition is true)
: command (until condition is true)
:End
:
c ommand
Program Output