---
title: "Define or change calculation settings on WBS task - Project change order"
slug: "define-or-change-calculation-settings-on-wbs-task-project-change-order"
tags: ["Task", "Project Control Suite", "PCS"]
updated: 2026-03-20T08:57:49Z
published: 2026-03-20T17:46:03Z
canonical: "docs.staedean.com/define-or-change-calculation-settings-on-wbs-task-project-change-order"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.staedean.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Define or change calculation settings on WBS task - Project change order

On each WBS task, you can define the applicable calculation settings. You can do so on creation of a WBS task or on a to-be-changed WBS task.

### Steps

1. Go to **Project management and accounting** > **Project change orders** > **All project change orders**.
2. In the list, click the link in the selected row.
3. Click **Advanced WBS**.
4. Click **Edit**.
5. In the list, find and select the desired record.
6. In the list, mark the selected row.
7. Click the **Calculation** tab.
8. In the **Hour formula** field, enter or select a value.
9. In the **Equipment formula** field, enter or select a value.
10. In the **Item formula** field, enter or select a value.
11. In the **Expense formula** field, enter or select a value.
12. In the list, find and select the desired record.
13. Click **Run WBS** **Calculation**.
14. Click **Save**.

> [!NOTE]
> Note
> 
> You can also change the value of the calculation fields on a to-be-changed WBS line. In this case, you cannot change the calculation group and the scheduled unit.