DATAMATH CALCULATOR MUSEUM
Texas Instruments SILCA 48
|Date of introduction:||1977||Display technology:||LED-stick|
|New price:||Display size:||8 (5 + 2)|
|Size:|| 5.8" x 3.1" x
148 x 78 x 36 mm3
|Weight:||4.0 ounces, 114 grams||Serial No:||32964|
|Batteries:||9V or RK2||Date of manufacture:||wk 39 year 1977|
|AC-Adapter:||AC9900/R||Origin of manufacture:||Italy (RCI)|
|Program steps:||Courtesy of:||Marie Lisa Collas|
SILCA 48 calcolatrice PROFESSIONALE? Obviously a Texas Instruments TI-30 in disguise. We were really surprised to receive in December 2015 this beautiful calculator from fellow collector Marie Lisa Collas. It is obvious that this SILCA 48 - manufactured for an unknown company in Italy - is a hybrid of two different products:
|• The basic functionality
is borrowed without any doubts from the
TI-30 introduced in 1976
• The yellow keyboard plate is... unique
Dismantling this model professional manufactured in 19778 reveals a standard TI-30 printed circuit board (PCB) with the well-known TMS0981 single-chip calculator circuit.
Calculator collectors: Please let us know if you have any information about this rare calculator. Thanks.
Don't miss the model professional
manufactured for Koh-I-Noor Hardtmuth.
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© Joerg Woerner, May 28, 2016. No reprints without written permission.