Texas Instruments TI-68

Serial number RCI2591: 25th week 1991, Rieti, Italy
Accessories Protective plastic cover with quick reference card
Condition Excellent front, some minor scratches on the back from normal usage.
However, a considerable number of the LCD-matrix dots doesn't work!
As such the calculator is not usable.
Repairs,
Comments
19.12.2002: Forcefully pried open the unit and tried to repair the display. However, there's just a huge ribbon cable with no visible defects.
Acquired 12.12.2002
Serial number RCI 0792: 7th week 1992, Rieti, Italy
Accessories Protective plastic cover with quick reference card

Texas Instruments TI-68 Manual (French/German), 1989
Condition Absolutely excellent!
Repairs, Comments 31.1.2003 Removed a name sticker from the plastic cover.
Acquired 27.1.2003
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Type, Precision, Input mode Scientific, 10 BCD digits, exponent 99, Algebraic
Programmable No, but it is possible to define functions 
Memory Approx. 36 memory locations: One location can hold a real number or variable names or parts of a formula.
Display 12 digit 4x7 pixel black & white LCD dot matrix
Special features Hexadecimal, binary and octal mode, bit operations, unit conversions, complex numbers, statistics, formulas, named variables, equation solver and much more.
Original Pricing, Production $65, produced 1989-1999
Batteries 1 large button sized cell
Dimensions Length 15cm, Width 7.4cm, Height 1.3cm
Links Datamath Museum
TI-68 Guidebook (PDF)
Comment
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