Texas Instruments Titanium TI-89 User Manual

Connectivity 728
You can use optional parameters with the SendCalc or GetCalc command to specify
either the USB port or I/O port. (See Appendix A for details.) If you do not include these
parameters, the TI-89 Titanium communicates through the USB port.
The “Chat” Program
The “Chat” ProgramThe “Chat” Program
The “Chat” Program
The following program uses
GetCalc and SendCalc. The program sets up two loops that
let the linked devices take turns sending and receiving/displaying a variable named
msg.
InputStr lets each user enter a message in the msg variable.

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)