Summary:

Casio Check and Recheck Calculator Recheck with Sound Assist, The recheck function allows confirmation of errors by sound when checking calculations, If the user presses an incorrect key when performing a second calculation to check calculation results, a buzzer sounds to alert the user of the error, 300 steps check, Localized Number Display, Two-way power (Solar Battery), Key rollover, Plastic keys, Profit margin percent, Function command signs, Rounding selector, Decimal selector
Regular percent: Regular percentage calculations, 300 steps check: Displays up to 300 previous calculation steps, Recheck function: The recheck function of Casio Check and Recheck Calculator allows confirmation of errors by sound when checking calculations, Solar and Battery: Solar powered when light is sufficient, battery powered when light is insufficient, UV-coated durable keys: Durable key printings with UV-coating, Key rollover: Key operations are stored in a buffer, so nothing is lost even during high-speed input, Extra Large display: Larger display makes more data easier to read, Plastic keys: Designed and engineered for easy operation, Mark-up: All the mark-up capabilities of an adding machine for simplified cost and profit calculations, Localized number display: Displays numbers in four digit separator formats(Type A, Type B, Type C and Indian). Number of Functions Detail: 300 steps check and Recheck function