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bonark 121Model: MBO Juniormbo junior 01
Battery: 5 x ni-cd 

AC adapter: Adapter 8 VDC
Year: 1972

Chip: TMC0105

Info:A special feature of this calculator is the possibility of setting the number of decimal places with the selector. Made in Germany

 

 

 

mbo junior 02

mbo junior 04mbo junior 03