DATAMATH CALCULATOR MUSEUM
|
DATAMATH CALCULATOR MUSEUM |
The Educator® BA II PLUS Professional
| Date of introduction: | 2006 | Display technology: | LCD dot matrix |
| New price: | Display size: | 10 (7+2) | |
| Size: | 8.2" x 4.6" x 0.40" | ||
| Weight: | 6.7 ounces | Serial No: | |
| Batteries: | n.a. | Date of manufacture: | |
| AC-Adapter: | Origin of manufacture: | China | |
| Precision: | 13 | Integrated circuits: | |
| Memories: | 10 | ||
| Program steps: | Courtesy of: | Joerg Woerner |
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".
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
BA II PLUS Professional introduced by Texas
Instruments in 2004 developed itself to a very successful business calculator. The one to one replacement from Stokes Publishing Company is this
Business overhead calculator.
Overhead™ Calculator is a trademark of Stokes Publishing Company, Inc.
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, November 21, 2007. No reprints without written permission.