DATAMATH CALCULATOR MUSEUM
Texas Instruments TI-54
|Date of introduction:||1981||Display technology:||LCD|
|New price:||$40 (October 1981)||Display size:||8 + 2|
|Size:|| 5.8" x 3.1" x 0.90"
147 x 79 x 23 mm3
|Weight:||3.7 ounces, 106 grams||Serial No:|
|Batteries:||2*LR44||Date of manufacture:||wk 04 year 1982|
|AC-Adapter:||Origin of manufacture:||Italy|
|Precision:||11||Integrated circuits:||TP0456/CD4555, CD4551|
|Program steps:||Courtesy of:||Daniel Weissmann|
|Download manual:||(US: 2.7M Bytes)|
The TI-54 was in 1981 the only calculator dealing with complex numbers. Everything else was known from it's close relative TI-55-II. The calculator was available till the year 1983.
The TI-54 makes use of the two chip Master/Slave architecture introduced with the TI-55-II. Find more information about the TP0456 calculator chips here.
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© Joerg Woerner, December 5, 2001. No reprints without written permission.