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197007: AUTONETICS becomes ROCKWELL MICROELECTRONICS

197007: ELECTRONIC ARRAY announces DIY Calculator Chipset

19701118: MOSTEK creates the first calculator-on-a-chip

197012~: GENERAL INSTRUMENT first Calculator Chip

1971 ~Early: NORTEC ELECTRONICS closes IC-deal with OMRON

197103: Start SANYO France

197107~: TEKTRONIX buys CINTRA

197111: INTEL introduces 4004 Microprocessor)

1972: ROCKWELL buys UNICOM

19720306: Japan Office Equipment Exhibition

197209~: TEXAS INSTRUMENTS makes debut in electronic calculators

197301~: US market is dominated by 20 Japanese calculator makers

197305: LAMSON Industries sells SUMLOCK ANITA to ROCKWELL

197306~: SONY stops production of calculators

197309~: AMERICAN METRICS buys MASTER CALCULATOR

19731231: Fifteen Million calculators were sold in 1973

19740906: GILETTE enters the calculator market

197502~: BOWMAR files for reorganization under Chapter XI

197506~: BOWMAR ends calculator production

197507: GENERAL INSTRUMENT exports 1M pocket kits to the USSR

197602: CBM opens production for pockets @ Eaglescliffe Cleveland

197609: COMMODORE acquires 100% MOS Technology Inc.

19770631: ROCKWELL throws in the towel in electronic calculators

1978: NEC buys ELECTRONIC ARRAYS

1978~: TRIUMPH-ADLER buys DIEHL (Data)

19800624: HAYAKAWA Tokuji (SHARP) passes away

19801231: SHARP produces 60 Million electronic calculators a year

19830000: VOLKSWAGEN buys TRIUMPH-ADLER

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