Calculator-Desktop Solar/Battery 12 Digit, Audio Recheck

This Casio® Paperless 'Review and Edit' calculator stores up to 300 calculation steps. It provides a convenient double check number entry option with no need for number re-entry. It also features a 'recheck with sound assist’ function that identifies errors with an audible beep on calculation review. If the user presses an incorrect/ mismatched number while performing the re-calculation, the beep alerts the user of the error. Large, 12-digit angled display. Solar Power with Mercury free back-up battery. Rounding and decimal selectors. Sub and Grand Total. Quick Correction Key.5-5/8"W × 7-7?8"H × 1-7?16"D. Black.