The Educator® Intermediate Plus

Date of introduction:  1998 Display technology:  LCD 
New price:  $90 Display size:  10 (6+2)
Size:  8.0" x 4.0" x 0.30"    
Weight:  4.8 ounces Serial No:  
Batteries:  n.a. Date of manufacture:  
AC-Adapter:   Origin of manufacture:  China
Precision:  12 Integrated circuits:  
Memories:  1    
Program steps:   Courtesy of:  Joerg Woerner

IntermediatePlus_1.jpg (287259 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".

IntermediatePlus_Back.jpg (417753 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-32 Explorer Plus introduced by Texas Instruments in 1995 and redesigned in 1996 developed itself to a very successful school calculator. The one to one replacement from Stokes Publishing Company was this Educator Intermediate Plus overhead calculator.

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

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© Joerg Woerner, November 18, 2007. No reprints without written permission.