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Casio Calculator DJ-220D- Plus Calculator W/ Check Function
00 Steps Check
Review and Auto Review
Review up to 300 calculation steps.
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.
Recall a previous calculation result and use it in the next calculation!
Compare the results of two calculations!
Automatic totalization of the results of different calculations.