Casio Pocket Calculator SL-310YC black

Standard-size pocket calculator (7 x 12 x 1 cm) with fine color line hatching. Solar powered with backup battery and automatic shut-off. Smooth-running and ergonomic plastic keys with input buffer memory (key rollover). 10-digit display 5.9 x 2.0 cm with calculation mode information and 1,000-unit scale. Professional percentage calculation: thanks to CASIO's unique input logic, the absolute value of the % is displayed before it is added to the base value. Margin calculation via % key. Tax calculations with display of gross, net, and tax amounts. Time calculation in the format H:M:S. Square root calculation. Constant calculation. 4-key memory. Backspace key for deleting digits from the input and the result. +/- key for changing the sign. With protective plastic case.