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Decimo Vatman Executive |
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Decimo Vatman Executive type 1 |
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Decimo Vatman Executive - type 1. 3V (2 x AA). 8 digits, red LED. Integrated circuit - Texas Instruments TMS0802NC, here date coded to mid 1974. Note the 9 black transistors used to drive the current through the LED display segments, which is too large for this integrated circuit. 4 functions, %. 76 x 126 x 19 mm (3.0" x 5.0" x 0.75"). Made in Japan. |
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Decimo Vatman Executive type 2 |
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Decimo Vatman Executive - type 2. 6V (4 x AA). 8 digits, green fluorescent in single tube. 4 functions, %, square root, memory. 83 mm x 130 mm x 28 mm (3.25" x 5.2" x 1.1"). Made in Japan. The % key may be marked "VAT" for use in calculations of Value Added Tax within the EEC (European Economic Community). |
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Vintage Calculators |
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© Text & photographs copyright Nigel Tout 2000-2012 except where noted otherwise. |
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