The Educator® TI-30X II

Date of introduction:  2001 Display technology:  LCD
New price:  $95 Display size:  11 characters and  10 +2
Size:  8.3" x 4.2" x 0.40"
 210 x 107 x 10 mm3
Weight:  5.9 ounces, 170 grams Serial No:  year 2006
Batteries:  CR2032 Date of manufacture:  
AC-Adapter:   Origin of manufacture:  China
Precision:  13 Integrated circuits:  
Memories:  5    
Program steps:   Courtesy of:  Joerg Woerner

TI-30XII_1.jpg (348204 Byte)The 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 projection".

TI-30XII_Back.jpg (360314 Byte)Both the keyboard and the display are made from translucent glass and plastics. Using a simple overhead projector the teacher could demonstrate easily the function of a calculator. 

The TI-30X IIB and TI-30X IIS introduced by Texas Instruments in 1999 developed itself to a very successful school calculators. The one to one replacement from Stokes Publishing Company is this TI-30X II Overhead calculator.

TI-30XII_PCB.jpg (483158 Byte)The internal construction of the Stokes calculator looks very robust. Both the display and the keyboard make use of support frames. The connectors to the printed circuit board and a lot of screws to make it shock resistant.

Overhead™ Calculator is a trademark of Stokes Publishing Company, Inc.


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© Joerg Woerner, June 26, 2005. No reprints without written permission.