After drawing models, you can click Summary Calculate to get quantities.

1. Click **Calculate **(F9), and then the validity check will run automatically. If there are invalid entities in the current project, a message will appear.

You can then modify the invalid entities first, and then perform summary calculation, or Click **Force Calculate** to perform summary calculation directly.

2. Modify invalid entities or click **Force Calculate**, and then the **Perform summary Calculation** window appears.

3. Select the calculation scope, and then click **OK**.

**Note**

1. The keyboard shortcut for Calculate is F9.

2. Reserve previous calculation result of unselected floor: Select the corresponding check box to save the calculation result of unselected floors obtained last time.

# Download Calculate

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