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Eastern (Euro-marketing company)
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Eastern 201C
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Edmund (U.S. mail-order scientific instrument & component company)
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Edmund 1945, tiny calculator with rechargeable pack which plugs directly into AC. Featured calculator.
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Elcon (Waterloo, New South Wales, Australia)
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Elcon SC-44, scientific, red LED, Hong Kong. Dec 07.
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Eldorado Electrodata (U.S. company)
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Eldorado Mathmagic B
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Elektonika (USSR company, see also Elorg. See the Calculator Companies section for more information.)
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Elektronika B3-14. Details. Mar 07.
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Elektronika B3-18A. Details. Feb 08.
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Elektronika C3-15. Featured calculator.
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Elektronika C3-27 and MK33. The MK-33 is a very late red LED calculator and is a Featured calculator.
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Elektronika MK-36. Details. Mar 07.
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Elektronika MK-57A. Featured calculator.
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Elektronika MK-61. Featured calculator.
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Elite (Euro-marketing company, possibly made in Germany)
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Elite 2000R
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Elite 3002M
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Elite 6002
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Elite 7002SR
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Elite 7004SR
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Elite S2001
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Elka (Bulgarian company)
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Elka 101. Featured calculator.
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Elka 135
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Elorg
(Electronorgtechnika, USSR company, made in USSR, very similar to models made by General Instruments of Canada (see General EZ2000). Possibly USSR company purchased molds and equipment after General quit calculator business.)
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Elorg 801. Featured calculator.
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Elwro (Mera-Elwro, Polish company)
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Elwro 440 "Bolek". Details.
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Elwro 480 "Lolek". Details.
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E Tommy
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E Tommy DT-801
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Enterprex
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Enterprex BJ21 Black Jack, calculator & game. Details.
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Excelmate (Euro-marketing company)
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Excelmate 108. Details.
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Execucal (Made in USA by Metronics Laboratories Inc., Wappingers Falls, NY)
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Execucal M55 version with TI Klixon keypad, version with alternative keypad, inside, amber Panaplex discharge display, uses 2x Eveready type 533
4.5v alkaline batteries.
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Executron
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Executron 4M. Details.
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