How to Enter Control Commands in a Program
The Program Control menu on the TI-84 Plus graphing calculator, which houses the control commands, is available only when you’re using the Program editor to create a new program or to edit an existing program.
To enter a control command in a program being written on the calculator, press [PRGM], use
to move the indicator to the desired control command, and then press [ENTER]. The command is then entered at the location of the cursor in the Program editor.
To enter a control command in a program being written on the computer using TI-Graph Link, click [PRGM] on the calculator keyboard to the left of the Program editor and then double-click the desired control command appearing in the right panel of the Program Control menu.
The command is then entered at the location of the cursor in the Program editor. To access the calculator window again, close the Program menu.
When using TI-Graph Link to create a program, if you should accidentally close the calculator keyboard window, to get it back click Window→TI-84 Plus [or whatever the name of your calculator is] Keypad.