Texas Instruments Titanium TI-89 User Manual

Connectivity 730
To synchronize GetCalc and SendCalc, the loops are arranged so that the receiving unit executes
GetCalc while the sending unit is waiting for the user to enter a message.
Running the Program
Running the ProgramRunning the Program
Running the Program
This procedure assumes that:
• The two devices are linked with the connecting cable.
• The Chat program is loaded on both devices.
- Use each device’s Program Editor to enter the program.
– or –
- Enter the program on one device and then use
VAR-LINK to transmit the
program variable to the other device.
To run the program on both devices:
1. On the Home screen of each device, enter
chat( ).
2. When each device displays its initial prompt, respond as shown below.
3. Take turns typing a message and pressing ¸ to send the variable
msg to the
other device.
On the: Type:
Device that will send the first
message.
1 and press ¸.
Device that will receive the first
message.
0 and press
¸.

Texas Instruments Titanium TI-89 Specifications

General

Display Type	LCD
Display Resolution	160 x 100 pixels
Memory	188 KB RAM, 2.7 MB Flash ROM
Type	Graphing Calculator
Display	Monochrome
Processor	Motorola 68000
Processor Speed	12 MHz
Power Source	4 AAA batteries
Connectivity	USB
Programming	TI-BASIC, Assembly
Operating System	AMS (Advanced Mathematics Software)