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Calculator - Corporate Gifts, Souvenirs, Promotional Premium Gifts


Calculator generally refers to "electronic calculator". Calculator can perform mathematical operations handheld machine with integrated circuit chips, but simple structure.The structure is much simpler than modern computer.It can be said that the first generation of computer (PC), and the function is also weak, but is more convenient and inexpensive. It can be widely used in commercial transactions.It is one of the essential office supplies.It is beneficial to carry and good stability.