Texas Instruments TI-51-III
Serial number 23853 1978RCI, Italy
Accessories DC 220V powr supply
Condition Cosmetically very poor: Glue stains all over the unit, ugly scratches on the side, one large scratch in the keyboard area to the left of the 4, 7, 1 keys. Functionally ok, accu pack still working.
Housing of the power supply broken but still operational.
Repairs, Comments
Acquired 29.2.2004
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Type, Precision, Input mode Scientific, 8 BCD digits, exponent ±99, Algebraic
Programmable Yes
Performance Index
Memory 10 storage registers, 32 program steps, not permanent.
Display 12 digit 7 segment red LED
Special features
Original Pricing, Production Introduced 1977
Batteries Built-in accu pack, external power supply with special connector.
Dimensions Length 14.7cm, Width 7.9cm, Height 3.5cm
Links Datamath museum TI-51-III and TI-55.
Comment Apparently, the TI-51-III and TI-55 were identical.
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