Manufacturer: RICOH
Model: 1221P
AKA: RICOMAC 1221P
Year: 1975
Display: None
Circuits: HITACHI: HD3584, HD3585, HD3227P
ROHM: BA604(4x)
Dimensions: 300x240x96 mm
Power type: AC
Origin:  
S/N:  
Owner: Many thanks to:
JANSSENS André from Belgium.

 

Case: 
Color case: 
Color keyboard: 
Weight: 
Voltage selection: 
Power consumption: 
Working conditions: 
Printed Circuit Boards (PCB's): 
Memories: 
Memories indication: 
Prog. steps: 
Decimal point handling: 
Rounding: 
Calculation overflow indication: 
Input overflow indication: 
Divide by Zero indication: 
Square root of negative value indication: 
Negative value indication: 
Auto constant function by pressing twice: 
Auto Power-off: 
Display details: 
Keyboard details: 
Printer: 
Printer roll: 
Printer inkt-ribbon: 
Extra features/remarks: 
Initial price: 
Overall quality rate (1-10): 
OEM-copies: 
Other sources of info: 
Advertisements/Publications: 


Beige.
Black.






















The RICOH: 1121PD is the same calculator, yet is has a with display.



TAKAHARU
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RICOH: 1221PD ^