It is obvious that the model 30/super - manufactured for Koh-I-Noor Hardtmuth - is a hybrid of three different products:
|• The basic functionality is borrowed without any doubts from the TI-30 introduced in 1976
• The double-shot injection molded keys are known from the Business Analyst-I
• The printed Texas Instruments logo between the display and keyboard are carried over from the European TI-45
Model: TI-30 XS overhead
Chip: made in China
Info: 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".