WS-1400H calculator has a wide range of features, which help solve your calculation problems quickly. With a 14-digit capacity, large calculations such as currency exchanges can be easily accommodated. Offer a convenient key roll-over system for quick entry. The large, durable plastic keytops with double-zero and triple-zero keys ensure accurate operation. Other features include decimal positions (A,4,3,2,0,F), automatic power off function, double and triple zero, sign change key and dual power capability - both solar and battery.