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pitagoraModel: Pitagora
Battery: 2 x AA alkaline
                
AC adapter:
Year: 1988
                      
Chip: TP0456/CD4616

Info:Nothing else than the Italian edition of the Math Star distributed by Clementoni. Discovering the Pitagora reveals with the CD4616 an enhanced C-MOS calculator chip of the TP0456 family known from the TI-60.