Texas Instruments TI-1850 Visor Kit

Date of introduction:  1984 Display technology:  LCD
New price:   Display size:  8
Size:  4.6" x 2.6" x 0.35"
 116 x 66 x 9 mm3
Weight:  1.9 ounces, 54 grams Serial No:  8645316
Batteries:  2*LR43  Date of manufacture:  wk 12 year 1984
AC-Adapter:   Origin of manufacture:  USA (ATA)
Precision:  8 Integrated circuits:  TP0311
Memories:  1    
Program steps:   Courtesy of:  Joerg Woerner

The original TI-1850 Visor Kit was introduced already in 1981 and is based on the TI-1001

TI-1850_B_PCB.jpg (31496 Byte)This particular calculator was manufactured in December 1984 and makes still use of the printed circuit board (PCB) and single-chip calculator circuit TP0311 introduced in 1978 with the TI-1030.

The TI-1850 Visor Kit was not the only approach to combine a already known calculator with some useful accessories. Don't miss the TI-1040A Tax Pak and the TI-1880 Checkwriter. 

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If you have additions to the above article please email:

Joerg Woerner, June 7, 2005. No reprints without written permission.