Brand: WIESKEN
Calculators Desktop, Desk Calculator, Two Way Power Battery and Solar Desktop Calculator, Big Buttons Easy to Press Used…
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Basic Calculator - Add, subtract, multiply, divide, backspace, % ,112 Steps Check and MU. Auto-off when you do not use it about 10 minutes
Dual Power: Solar energy and battery backup power keep the desktop calculator working in low light conditions (not included AAA battery)