Vintage Electronic Calculators:
CALCUSEUM Home page

Overview of Brands

Colleagues

DENON_docu: (Instr.) DEC412B
(Page 1/1)


AKA: DENON, ELECTRONIC CALCULATOR, MODEL DEC-412B, Operator Instruction Manual, NIPPON COLUMBIA COMPANY, LTD.,
Date of intro: ~1970, Origin: Japan (List), Dimensions: 280x210mm,
Classification: / Documentation / Instructions,
Related with: DENON: DEC412B,
#Pags: 13,

Item

Instructions (fragment)
01. Specifications, Features
Pag.01+02

Instructions (fragment)
02. Keyboard controls
Pag.03+04

Instructions (fragment)
03. Mis-operation, Proper machine Care and Operation, Basic calculations
Pag.05+06

Instructions (fragment)
04. Basic calculations
Pag.07+08

Instructions (fragment)
05. Mixed calculations, Calculations using Constants
Pag.09+10

Instructions (fragment)
06. Square calculation and Involution, Special operation Example 1
Pag.11+12

Instructions (fragment)
07. Special operation Example 2
Pag.13

Instructions (fragment)
08.
Pag.14

Created: 28-sep-2026, Manual-update: 28-sep-2026             

# Pageloads since 28-sep-2026 : 0             

9 Pic(s),

                     

Have a (better) personal picture and/or missing?: Please provide via our FACEBOOK-page

Or send a Mail