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Sandvik 842S "Coromant" Cutting Data Calculator
Display is 8 digits, blue VFD.
Four functions, square root, and cutting data functions for metal working machines.
Integrated circuit - Omron HD36115, in this example date coded 1978..
3v (2x AA batteries).
74 x 129 x 25 mm (2.9" x 5.1" x 1.0").
Made in Japan by Omron Tateisi Electronics Co.
This specialist calculator was manufactured for the Swedish company Sandvik Coromant ("the world's leading manufacturer of cutting tools for the metalworking industry") by Omron, which sold a range of standard
calculators under the Omron name. It employs a custom calculator integrated circuit and should be compared with the specialist calculators based on the Texas
Instruments TI 58 calculator using custom memory modules.
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