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Additional Pictures 

 

The sales box of the red TI-30X IIS sold in 2020 by Office Depot and other retailers in the US.

This TI-30X IIS was manufactured in April 2020 by Kinpo Electronics, Inc.
in the Philippines (Date code L-0420Q mth 04 yr 2020).

The internal construction of this TI-30X IIS looks familiar to us. We noticed the SR-16 
designation on the upper printed circuit board (PCB) already with earlier  calculators.

Close-up view of the unknown single-chip calculator circuit.

 
Close-up view of the PCB-Marks of the TI-30X IIS.

 


horizontal rule

If you have additions to the above article please email: joerg@datamath.org.

Joerg Woerner, August 15, 2020. No reprints without written permission.