The TI-89 and TI-89 Titanium are monochrome 68k-based calculators produced and marketed by Texas Instruments.

TI-89
TI-89.jpeg
TypeGraphing calculator
Introduced1998
SuccessorTI-89 Titanium
Calculator
Display typeMonochrome Dot-matrix LCD
Display size160x100
CPU
ProcessorMotorola 68000
Programming
Programming language(s)TI-Basic (68k Variant)
Other
TI-89 Titanium
TI-89 Titanium.jpeg
TypeGraphing calculator
Introduced2004
PredecessorTI-89
Calculator
Display typeMonochrome Dot-matrix LCD
Display size160x100
CPU
ProcessorMotorola 68000
Programming
Programming language(s)TI-Basic (68k variant)
Other
Weight267g (no batteries)

They operate identically to the TI-92 series and TI Voyage 200 calculators, and have a Computer Algebra System that allows them to handle symbolic representation.

TI-89Edit

Internal designEdit

 
Internal view of the TI-89

TI-89 TitaniumEdit

Internal designEdit

Compared to the earlier TI-89, the TI-89 titanium is significantly cost reduced, due in large part to the integration of many chips into a custom chip for TI.

 
Internal view of the TI-89 Titanium

ProgrammingEdit

External resourcesEdit

See alsoEdit

ReferencesEdit