Casio ClassPad 300 PLUS - Manual (Page 664)

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• Tapping the regression curve selects it and displays its equation in the status bar.
• You can drag and drop the regression curve to a cell or the edit box in the
Spreadsheet window.
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Graphing
• To delete all displayed regression curves, select [Clear All] on the [Edit] menu.
• Note that regression curves are also deleted automatically if you change to another
graph style.
• This causes the applicable regression curve to appear in the Graph window.