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Texas Instruments TI-2200 Checkwriter

Date of introduction:  1982 Display technology:  LCD
New price:   Display size:  8
Size:  2.7" x 6.1" x 0.3"    
Weight:  2.8 ounces Serial No:   
Batteries:  2*LR43 Date of manufacture:  mth 10 year 1984
AC-Adapter:   Origin of manufacture:  Taiwan (C)
Precision:  8 Integrated circuits:  NEC uPD1833
Memories:  3    
Program steps:   Courtesy of:  Stefan Klaes

The TI-2200 Checkwriter keeps the balance of three different accounts. The idea behind this calculator traces back to the TI-1880 Checkwriter.

The Checkwriter was a very successful product and the line was continued with the TI-2200 Checkwriter (2nd design), the TI-2200 II and the TI-2200+.

Similar products were available with Canon's Checkbook, National Semiconductor's NS-103 A, Olivetti's Chequebook, the Radio Shack EC-430 and a lot others. All used the same calculator chip developed by NEC, Japan.

TI-2200_C1084_M1.jpg (251341 Byte)Don't miss the Corvus CheckMaster introduced by MOSTEK already in 1975. This rare product retains the balance of your memory even when shut off but uses power-hungry electronics.

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

Joerg Woerner, December 26, 2002. No reprints without written permission.