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Oracle9iAS Discoverer Plus User's Guide
Version 9.0.2

Part Number A90879-02
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New Calculation dialog

Use this dialog to create a new calculation item. For example, you might want to analyze the worksheet data in a new way and add a column to the worksheet to do this.

For more information, see:

"What are calculations?"

"Simple calculation examples"

"Oracle8i analytic function examples"

"Oracle9i analytic function examples"

What do you want to name this calculation?

Use this field to enter a descriptive name for the calculation item. This name is displayed in calculation lists and on worksheets as the column header of the calculation results column. If you leave this box blank, Discoverer creates a default name for you.

Show

Use this drop down list to display calculations, functions, items and parameters that you can use to build your calculation. To include items in the calculation, add them to the calculation box on the right (see Notes below).

Paste

Use this button to the add item currently selected in the Show list into the Calculation. The item is copied into the Calculation box at the right hand side.

Calculation

Use this text box to enter the calculation details. To create a calculation, you can either:

Operator buttons ([+] [-] [x] [/] [%] [(] [)] )

Use these buttons to add operators to the calculation. Operators are copied into the Calculation box above.

Note: When you use arithmetic expressions in a calculation, the multiply and divide operators are executed first, regardless of their position in the calculation. If you have more than one operator of the same precedence, they are evaluated from left to right.

For example, the calculation Price - Discount * Quantity is evaluated as Discount*Quantity subtracted from Price. If you use parentheses around the subtraction expression (Price - Discount), the subtraction is executed before the multiplication.

OK

Use this button to validate the calculation and save the item.

Notes


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