300 Steps Check
Review and Auto Review
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.
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.