Vintage Electronic Calculators:
CALCUSEUM Home page

Overview of Brands

Colleagues

MICRO INSTRUMENTATION & TELEMETRY SYSTEMS (MITS): 7440
(Page 1/1)


AKA: Scientific Calculator, Product number (P/N): 7440,
Keywords/Tags: 7440
Date of intro: 1974, Dimensions: 325x230x95mm, Weight: 1750g,
Display: Type = Display (LED: segmented block) (List), Digits = 14,
Number of keys: 36,
Classification: / Desktop with Display / Kit,
Featuring: Scientific functions, Square root, PI,
Related with: MICRO INSTRUMENTATION & TELEMETRY SYSTEMS (MITS)_docu: (Ad.) 7440,
Main Components: MOS TECHNOLOGY: MCS2525; MOS TECHNOLOGY: MCS2526,
Known Serial-numbers: D10214 (List of all S/Ns from MICRO INSTRUMENTATION & TELEMETRY SYSTEMS (MITS))
Collector value: 8/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1: THE OLD CALCULATOR MUSEUM

Item

Instructions
Assembly Manual

Instructions
Operation Manual

Advertisement
Partners in scientific calculations

Article
Super math from simple kits
POPULAR MECHANICS / BERGER Ivan
Pag.104
(may-1975)

Letter
Dear 7440 Customers, Production on the 7440 calcul
(06-mar-1974)

Letter
Thank you for your efforts in filling my order…
(25-may-1974)

Catalogue
7440 Desktop Calculator

Misc
Repair-report
(16-jul-1974)
507024

Protection (suitcase)

Created: 22-nov-2008, Manual-update: 04-jan-2023, Batch-update: 06-mar-2025             

# Pageloads since 2018: 24             

10 Pic(s),

                     

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