DATAMATH CALCULATOR MUSEUM
The Educator® Business
|Date of introduction:||1995||Display technology:||LCD|
|New price:||Display size:||3 Alpha + 7|
|Size:|| 2.9" x
4.4" x 0.5"
74 x 113 x 13 mm3
|Weight:||2.5 ounces, 70 grams||Serial No:|
|Batteries:||2*CR2032||Date of manufacture:|
|AC-Adapter:||Origin of manufacture:||China|
|Program steps:||Courtesy of:||Joerg Woerner|
California based company Stokes Publishing Company, Inc. distributes under the label
"The Educator®" calculators optimized for teaching purposes. William
T. Stokes filed already July 30, 1991 the US Patent Application U.S.
Pat. No. 5,035,502 with the title "Transparent calculator for overhead
This Apothecalc - the successor of the original Apothecalc introduced in 1988 by New Specialties, Inc. based in Vidalia, Georgia and based on the TI-35-II scientific calculator - is one of the few "non-translucent" calculators from Stokes Publishing.
Compared with the Texas Instruments' design of the Apothecalc we noticed a few differeneces:
|• Additional key for
• Additional key for square root function and internal beeper control
• Second CR2032 battery for backlit display
Overhead™ Calculator is a trademark
of Stokes Publishing Company, Inc.
If you have additions to the above article please email: firstname.lastname@example.org.
© Joerg Woerner, January 16, 2011. No reprints without written permission.