DATAMATH CALCULATOR MUSEUM
Texas Instruments TI-30-II
|Date of introduction:||1982||Display technology:||LCD|
$18 (October 1981)
|Display size:||8 (5 + 2)|
|Size:|| 5.3" x 2.9" x
134 x 74 x 9 mm3
|Weight:||2.9 ounces, 82 grams||Serial No:||9857529|
|Batteries:||2*LR44||Date of manufacture:||wk 48 year 1983|
|AC-Adapter:||Origin of manufacture:||USA|
|Precision:||11||Integrated circuits:||CD4565N or CD4565N2|
|Program steps:||Courtesy of:||Joerg Woerner|
|Download manual:||(US: 6.4 MByte)|
This TI-30-II is much more common than the first edition introduced already in 1981. Please compare them here.
Using the electronics of the European TI-30
LCD and the two shell housing of the TI-35 created this
We noticed already with the TI-30 LCD a change from the original TP0320
single-chip calculator circuit to the more advanced CD4565 around 1982. Same
story happened with this TI-30-II featuring the enhanced
C-MOS calculator chips CD4565.
Two years later this model was replaced with the TI-30 III.
If you are interested in the calculating accuracy of scientific calculators don't miss the Calculator forensics.
In the same year a desktop variant of the TI-30 appeared, don't miss the rare TI-30 D.
Compare the TI-30-II with the Taiwan-built TI-21 calculator.
In 1984 the era of the slimline calculators was over and Texas Instruments introduced a family of three calculators manufactured in Taiwan:
If you have additions to the above article please email: firstname.lastname@example.org.
© Joerg Woerner, December 5, 2001. No reprints without written permission.