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Privileg LP31

Date of introduction:  1991 Display technology:  LCD
New price:   Display size:  10
Size:  8.3" x 6.5" x 1.6"    Impact
Weight:  13.7 ounces Serial No:  00249102
Batteries:  4*AA (250mA) Date of manufacture:  mth 11 year 1990
AC-Adapter:   Origin of manufacture:  Thailand
Precision:  10 Integrated circuits:  Toshiba T7731S
Memories:  1 + 1     
Program steps:   Courtesy of:  Joerg Woerner

You are familiar with this Privileg LP31 printing desktop calculator? It is more or less identical with the Texas Instruments TI-5032 introduced in 1991, too.

LP-31_PCB.jpg (85397 Byte)Dismantling the LP31 reveals a simple construction based on a Toshiba T7731S single-chip calculator circuit.



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If you have additions to the above article please email: joerg@datamath.org.

Joerg Woerner, February 19, 2004. No reprints without written permission.