Vintage Electronic Calculators:
CALCUSEUM Home page

Overview of Brands

Colleagues

BOWMAR: 90705 (version-3)
(Page 1/1)


AKA (Label): MX75 MEMORY CALCULATOR, MODEL 90705, Product number (P/N): 90705,
Keywords/Tags: 90705
Date of intro: 1974, Origin: USA (List), Dimensions: 135x80x40mm, Weight: 200g,
Power: Rechargeable,
Display: Type = Display (LED) (List), Digits = 8+1,
Keyboard: KLIXON, Number of keys: 20, #Key-Black: 19, #Key-Blue: 1,
Miscellaneous switch: [(Sigma)-(Blank) (Blank)-.],
Classification: / Pocket,
Featuring: Procent, Memories: 1,
Related with: BOWMAR_docu: A9070210 (Instructions MX75),
Main Components: ROCKWELL: A1030PE,
Other components: NATIONAL SEMICONDUCTOR: DM8895N {2x}; NATIONAL SEMICONDUCTOR: DM75494N {2x},
Resemblance with: (Resemblance 001),
Serie-members: BOWMAR: 90705 (version-1) (Version with all Black keys); BOWMAR: 90705 (version-2) (Version with 1 Blue key and MX-70 on back label); BOWMAR: 90705 (version-3) (Version with 1 Blue key and MX-75 on back label); BOWMAR: 90705 (version-4) (Version with 1 Red key),
Known Serial-numbers: 123756 | 140060 (List of all S/Ns from BOWMAR)
Collector value: 8/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),

Item

Accessories

Instruction card, leaflet, quick ref. / Battery (as standard part)
(Batteries)

Label, name plate / Examples of use
S/N: 123756

Created: 16-mar-2008, Manual-update: 24-may-2019, Batch-update: 27-jul-2022             

# Pageloads since 2018: 40             

5 Pic(s),

                     

If you have a (better) personal picture and/or missing info about any model not listed: Please do send a Mail