Digit: 12 digits ; Regular Percent: Regular percentage calculations

• Recheck Function: 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
• Two-Way Power (Solar + Battery): Solar powered when light is sufficient, battery powered when light is insufficient
• Function Command Signs: A symbol (+, -, x, ÷) on the display indicates the status of operation you are currently performing
• 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