DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
The sales
box of a very early Radio Shack EC-100 calculator shows its
manufacturing date.  |
| This Radio Shack EC-100
(Version 1) was manufactured
in September 1972 by Texas Instruments.
|
A Radio Shack EC-100
(Version 1) with the [+=] and [-=] keys inserted the wrong
way. |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, October 31, 2021. No reprints without written permission.
