Casio CLASSPAD 330 3.04 - Manual (Page 759)

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(4) Tap the r button to the right of the edit box.
• This automatically closes the parentheses, calculates
the sum of the values in the selected range, and
displays the result in cell A1.
• You could skip this step and input the closing
parentheses by pressing the
key on the keypad,
if you want.
(5) Tap the edit box to activate it again, and then tap to the right of the last parenthesis.
(6) Press the  key and then input 100.
(7) Tap the r button to the right of the edit box.
• This calculates the result and displays it in cell A1.
13-7-3
Cell and List Calculations