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Additional Pictures 

 

The sales box of the lime-green TI-30X IIS sold in 2023 by Underwood Distributing, Co. in the US.

This TI-30X IIS was manufactured in January 2023 by Kinpo Electronics, Inc.
in the Philippines (Date code L-0123R mth 01 yr 2023).

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 21, 2023. No reprints without written permission.