Type 算术 Functions 4 Keys 19 Precision 8 Logic 代数型 Display type LED Length 132mm Width 69mm Thickness 23mm Power Source 9V 电池 Year introduced 1974 Year discontinued 1976
Type 算术 Functions 4 Keys 19 Precision 8 Logic 代数型 Display type LED Length 132mm Width 69mm Thickness 23mm Power Source 9V 电池 Year introduced 1974 Year discontinued 1976