Foska Two Way Power 14 Digit Calculator 208x158x33mm. Includes anti-slip pad. Solar power and battery powered. Big display with forward review and backward check. Maximise efficiency with the Foska Two Way Power 14 Digit Calculator, a versatile tool designed for precision and ease. Measuring 208x158x33mm, this calculator features a large, easy-to-read display with forward review and backward check capabilities, ensuring accuracy in all your calculations. Powered by both solar and battery for reliable use in any setting, it also includes an anti-slip pad for stability, making it an indispensable tool for professionals, students, and anyone in need of complex calculations.