Place of Origin
Guangdong, China
Power Source
Solar & battery
Digit
12-digit large double LCD screen display
Function
Full calculation & memory function
Function 2
120 Steps check & correct function
Function 3
Auto-reply and Grand total function
Power
Solar & or button battery
Market
Office supply and business men
Design
Luxury and novelty design
Keyboard
Like computer keyboard big
Material
ABS and green PCB borad
Sepecial
Can calculate 000 once time