You can:

• Overwrite the schedule line quantity or the date of the schedule lines manually
• Change schedule lines automatically using calculations
• Delete schedule lines
• Displace the dates of the schedule lines.
• Change the quantities and dates for one schedule line or for several schedule lines.

In the schedule line tab page for maintaining the planned independent requirements, you can change existing schedule lines using the following arithmetic operations.

• Add entered quantity to the schedule lines
• Subtract the entered quantity from the schedule lines
• Multiply the schedule lines by the number entered
• Divide the schedule lines by the number entered
• Enter a percentage of the schedule lines
• Replace the schedule lines by the entered quantity
• Round the schedule lines