Manufacturer: BUSICOM
Model: 121DN
AKA: exec, 120-DN
Year: ~1971
Display: Tubes (12)
Circuits: MOSTEK: MK6010
Dimensions: 200x140x50 mm
Power type: AC
Origin: Japan
S/N: 23FB141742
Owner: DEVIDTS Serge

 

Feature  

Description 

Case:  

Plastic

Color case:  

Beige

Color keyboard:  

Black

Weight:  

1000 g

Voltage selection:  

 

Adapter:  

 

Power consumption:  

 

Working condition:  

 

Printed Circuit Boards (PCB's):  

 

Memories:  

 

Memories indication:  

 

Prog. steps:  

 

Decimal point handling:  

 

Rounding:  

 

Calculation overflow indication:  

 

Input overflow indication:  

 

Divide by Zero indication:  

 

Negative value indication:  

 

Constant function:  

 

Calculation speed:  

 

Auto Power-off:  

No

Display details:  

 

Printer:  

N/A 

Extra features/remarks:  

 

Initial price:  

 

Overall quality rate (1-10):  

8

OEM copy of:  

 

Other sources of info:  

Univ Stuttgart, TECLAS

Advertisements/Publications:  

Necessary Maximal Function...

 

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