300 Steps Check – Review and Auto Review – Review up to 300 calculation steps.
Go to Jump to a particular calculation step by pressing one single button.
Insert / Delete – You can add steps to or delete steps from Calculation Memory.
Note that if the number of steps in Calculation Memory exceeds 300, you will not be able to review them later.
Answer Memory – Recall a previous calculation result and use it in the next calculation!
Double Check – Compare the results of two calculations!
Grand total – Automatic totalization of the results of different calculations.
Recheck function -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.