DATAMATH CALCULATOR MUSEUM
|This TI Converter aka TI-1890 was manufactured
in April 1983 in
Abilene, Texas (Date code ATA 1583).
|This late TI Converter makes use of
single-chip calculator circuit.
|The buggy CD4509 calculator chip found
in an early TI Converter aka TI-1890.
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© Joerg Woerner, May 1, 2005. No reprints without written permission.