With the addition and subtraction, what is the difference between ITEM+ mode and ITEM +/- mode?
A2
For both ITEM+ and ITEM +/- mode, the total number of addition and subtraction items is printed with the result when [◇/#] or [*] is pressed. But the item count method is different. Under ITEM +/- mode, addition will be counted as "+1" whereas subtraction will be counted as "-1". However, under the ITEM+ mode, both addition and subtraction will be counted as "+1".
