Vintage Electronic Calculators:

Overview of Brands


BUSICOM: 121DL (version-1)
(Page 1/1)

AKA: exec, Product number (P/N): 121DL (121-DL),
Keywords/Tags: 121DL (121-DL) | exec
Date of intro: 1972, Origin: Japan (List), Dimensions: 280x195x70mm, Weight: 1370g,
Power: AC,
Display: Type = Display (Gas disharge) (List), Digits = 12,
Number of keys: 23, #Key-Blue: 10, #Key-White: 13,
Keyboard Array (Rows x Columns): 05x06, Keyboard Layout: [EX] - [CM] [7] [8] [9] [M+=] [M-=] - [RM] [4] [5] [6] [-] [(Division)] - [CE] [1] [2] [3] [+] [x] - [C] [0] [.] [=],
Decimal switch: [6-4-3-2-0], Round switch: [5/4-(SquareRoot)N], Indicators: NEG OVF M,
Classification: / Desktop with Display,
Featuring: Logic-technology: LSI (Large Scale Integration), calculator-chipset, Memories: 1,
Related with: BUSICOM_docu: (Ad.) *: Calculadoras electrónicas, también está...; BUSICOM_docu: (Ad.) *: Solo BUSICOM calculadores electrónicas...,
Main Components: MOSTEK: MK6018; MOSTEK: MK6019,
Serie-members: BUSICOM: 121DL (version-1) (Black); BUSICOM: 121DL (version-2) (Beige),
Collector value: 8/10,
Internet: Link-1: DENTAKU MUSEUM


Created: 07-jan-2022, Manual-update: 07-jan-2022, Batch-update: 25-feb-2024             

# Pageloads since 07-jan-2022 : 34             

1 Pic(s),


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