DATAMATH CALCULATOR MUSEUM
Texas Instruments TI-66 Calcu-Talk
|Date of introduction:||1991||Display technology:||14-segment LCD|
|New price:||$595||Display size:||10 (8 + 2)|
|Size:||4.2" x 7.5" x 1.7"|
|Weight:||1 pound 2 ounces||Serial No:||001821|
|Batteries:||2*3.6V 600mAh NiCd||Date of manufacture:||mth 05 year 1991|
|AC-Adapter:||Custom||Origin of manufacture:||USA|
|Precision:||13||Integrated circuits:|| COP402, NS Digitalker,
TI-66:Toshiba T6875, TC5514
|Program steps:||512-0||Courtesy of:||Joerg Woerner|
Only few talking programming calculators are known. This Calcu-Talk was developed by CAPTEK Berwyn, PA and uses a TI-66 with a talking base. CAPTEK Custom Applied Technology is a Division of Science Products, a leader in design and production of adaptive aids for the vision impaired for more than 25 years.
The Calcu-Talk uses a clever approach to fetch data from the TI-66. It is connected instead the PC-200 Thermal Printer direct to the TI-66. The "Print" command moves the display content to the Calcu-Talk base station which contains a microcomputer system with talking capabilities centered around the National Semiconductor Digitalker.
base station itself uses a black housing with the TI-66 fastened on top. It
includes not only the electronics but rechargeable NiCd-batteries and a speaker.
Additional jacks are available for both the charger and a ear-jack. The blue
knob switches the Calcu-Talk on or off and adjusts the volume. The TI-66 got
only few modifications, 5 of the keys carry a small point of glue to get a better
tactile feedback, the batteries were removed and the printer port wired to the
A lot of electronics combined with one of the best programmable calculators - if you add it together you get a whooping $595 selling price in the year 1991.
Don't miss other talking products for vision impaired - the Orbit TI-34 and the Vocaid.
Another approach could be found in the Schoenherr Braillotron
using refreshable Braille cells instead the talking voice.
If you have additions to the above article please email: email@example.com.
© Joerg Woerner, February 23, 2002. No reprints without written permission.