Feature  

Description 

Case:  

Plastic

Color case:  

Black

Color keyboard:  

Wood-color

Weight:  

Voltage selection:  

Adapter:  

Power consumption:  

Working condition:  

Printed Circuit Boards (PCB's):  

2 + 1 (Power supply) + 1 (Keyboard)

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: 121A,
why CASIO did produce the same calculator with another name, is not very clear.

Initial price:  

Overall quality rate (1-10):  

8

OEM-copies:  

COMMODORE: 512

Other sources of info:  

Advertisements/Publications:  

IC Number

Manufacturer

Code

1+9+10

NEC

µPD101C

2+4+12+13+14

HD713M

3+11

HD3107

5

HD3106P

6+8

µPD13C

7

µPD116C

IC Number

Manufacturer

Code

15+33

HITACHI

HD3104

16+31

µPD101C

17+19+20

HD713M

18+23+27+28+32+34

HD3106P

21+30+35

µPD13C

22

HD3103P

24+25+26

µPD106

29

HD3112