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Canon LE-10
Display is 10 digits, red LED.
Main integrated circuits in this example - Texas Instruments TMC1824NC and TMC1825ANC, here date coded to early 1972.
4.8v (sealed battery pack with 4x AA rechargeable cells, see photograph below).
83 x 145 x 38 mm (3.3" x 5.7" x 1.5").
The batteries are recharged by clipping the calculator on the charging unit and securing it with a serrated screw. The calculator is fitted with a battery-check meter.
About 1972.
Made in Japan.
Canon had an agreement with Texas Instruments for the development and production of calculator integrated circuits. The first Canon calculator, the Pocketronic, required 3 large integrated circuits. A year or so later, this model reuires 2 large integrated circuits.
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