- Review up to 300 calculation steps
- Auto Review by pressing one single button
- While reviewing a calculation, you can make changes in values and operators and re-execute to obtain a new result
- Automatic totalization of the results of different calculations
- 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
TECHNICAL DETAILS
Digits: 12


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