User Manual

TI-83 Plus Programming 512

These menu items direct the flow of an executing program. They make it

easy to repeat or skip a group of commands during program execution.

When you select an item from the menu, the name is pasted to the

cursor location on a command line in the program.

To return to the program editor without selecting an item, press

‘

Controlling Program Flow

Program control instructions tell the TI-83 Plus which command to

execute next in a program.

While

, and

Repeat

check a defined

condition to determine which command to execute next. Conditions

frequently use relational or Boolean tests (Chapter 2), as in:

If A<7:A+1

If N=1 and M=1:Goto Z

Use

for testing and branching. If

condition

is false (zero), then the

command

immediately following

is skipped. If

condition

is true (nonzero),

then the next

command

is executed.

instructions can be nested.