DATAMATH CALCULATOR MUSEUM
Texas Instruments TI-1500 (3rd design)
|Date of introduction:||1974||Display technology:||LED-stick|
|New price:||$69.95||Display size:||8|
|Size:|| 5.0" x 2.6" x
126 x 66 x 26 mm3
|Weight:||4.9 ounces, 139 grams||Serial No:||1500219114|
|Batteries:||2*AA NiCd||Date of manufacture:||wk 22 year 1975|
|AC-Adapter:||AC9140, AC9900/C||Origin of manufacture:||USA|
|Program steps:||Courtesy of:||Joerg Woerner|
|Download manual:||(US: 2.4 MByte)|
second design of the TI-1500 was soon replaced with this revised
We noticed again two major changes:
|• The removable
NiCd-batteries were replaced
with a solder-type battery.
• he Bowmar Opto-stick was replaced with the cheaper
LED-stick found in the TI-1200.
The calculator was manufactured at least till spring 1976, we
know the serial number 1500544350 manufactured week 13, 1976 in Lubbock, TX.
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© Joerg Woerner, December 5, 2001. No reprints without written permission.