Manufacturer: BUSICOM
Model: 121PA
AKA: 121-PA
Year: 1970
Display: None
Circuits: (MOS - MSI)
Dimensions:  
Power type: AC
Origin: Japan
S/N:  
Owner:  

 

Feature  

Description 

Case:  

 

Color case:  

White

Color keyboard:  

Black

Weight:  

8 kg

Voltage selection:  

100V, 115V or 230V 50/60 Hz

Adapter:  

 

Power consumption:  

30 Watt

Working condition:  

0 - 40 degrees C

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:  

 

Display details:  

 

Printer:  

Paper roll: 3.5 inches (W)

Extra features/remarks:  

Same model as BUSICOM: 141PA,
with the exception that this model has 12 numeric digits instead of 14.
Addition, subtraction, multiplication, division,
successive multiplication, successive division, multiplication and division by constant,
sum of products, sum of quotients, rounding, neglecting, various combination calculations.

Initial price:  

 

Overall quality rate (1-10):  

 

OEM-copy of:  

 

Other sources of info:  

  

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