Vintage Electronic Calculators:
CALCUSEUM Home page

Overview of Brands

Colleagues

TEXAS INSTRUMENTS: EX20
(Page 1/1)


AKA: exactra 20, AKA (Label): EX-20 ELECTRONIC CALCULATOR, Product number (P/N): EX20 (EX-20),
Keywords/Tags: EX20 (EX-20) | exactra | 20
Date of intro: 15-apr-1974, Dimensions: 130x72x33mm, Weight: 140g,
Power: 4.5V: (AA x3),
Display: Type = Display (LED) (List), Digits = 6+1,
Number of keys: 18, #Key-Beige: 18, #Key-White: 18,
Decimal switch: [$-F], Miscellaneous switch: [(Blank)-ON],
Classification: / Pocket,
Related with: TEXAS INSTRUMENTS_docu: (Instr.) EX20; TEXAS INSTRUMENTS_parts: (Box) EX20,
Main Components: TEXAS INSTRUMENTS: TMS0135NC,
Known Serial-numbers: 2000018259 | 2000025108 | 2000029690 | 2000033697 | 20140600 | 20184796 (20 184796) | 20202993 | 20226582 (List of all S/Ns from TEXAS INSTRUMENTS)
Collector value: 7.5/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1: DATAMATH CALCULATOR MUSEUM, Link-2: SMITHSONIAN MUSIC

Item

Perspective, profile view
(Courtesy of: FENYVESI Tibor)

Label / Examples of use
S/N: 20202993

Created: 29-jan-2016, Manual-update: 21-nov-2020, Batch-update: 11-jun-2021             

# Pageloads since 2018: 43             

3 Pic(s),

                     

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