DATAMATH CALCULATOR MUSEUM
Instruments Number Beat was manufactured
by Inventec Corporation
in Taiwan in June 1987 (Date code I-0687 » mth 06 yr 1987).
|The Number Beat logo
instead the usual TI-1104 designation.
|The Personal Advisor™
includes the Number Beat calculator.
|The printed circuit board
(PCB) of the Number Beat is
centered around an unknown single-chip calculator circuit.
view of the unknown
single-chip calculator circuit.
view of the PCB-Mark
of a Number Beat.
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© Mark Bollman and Joerg Woerner, October 14, 2004. No reprints without written permission.