Manufacturer: CASIO
Model: 121B
AKA: ELECTRONIC CALCULATOR 121-B
Year: ~1970
Display: Nixie Tubes (12)
Circuits:  
Dimensions: 340x140x80 mm
Power type: AC
Origin: Japan

 

Feature  

Description 

Case:  

 

Color case:  

Black

Color keyboard:  

Black/Silver

Weight:  

1700 g

Voltage selection:  

AC 100/117/220/240V - 50/60 Hz

Adapter:  

 

Power consumption:  

7 W

Working condition:  

 

Printed Circuit Boards (PCB's):  

 

Memories:  

 

Memories indication:  

 

Prog. steps:  

N/A

Decimal point handling:  

 

Rounding:  

 

Calculation overflow indication:  

 

Input overflow indication:  

 

Divide by Zero indication:  

 

Square root of negative value indication:  

N/A

Negative value indication:  

 

Constant function:  

 

Auto Power-off:  

No 

Display details:  

 

Printer:  

N/A

Extra features/remarks:  

This model seems to be identical to the CASIO: ASB,
why CASIO did produce the same calculator with another name, is not very clear.

Initial price:  

 

Overall quality rate (1-10):  

8

OEM-copies:  

REMINGTON: EDC1201GT

Other sources of info:  

  

Advertisements/Publications:  

 

 

Label ^ 

 

Cover ^ 

 

Box ^