Derived
Combined Parameters
Turn on the settings mode (on the top right corner). In order to add combined parameters, choose “Derived” from the menu. In Derived, three tabs will be visible namely, Lists, Combined Parameters and Calculated Parameters. Choose the Combined Parameters option (as shown below). To create a new Combined Parameters, click on the “Create Combo Param” button as shown. 
Enter values for the following required options such as - Name
- Correction Operand
- Unit
Choose the required option from the drop down for the following - Inter Param Operator (Sum or Product)
- Correction Operator (+ - ^ * /)
- Workspace
- Device
- Param Type
- Params (You can choose multiple Params)
Once all the required options are filled click on submit. The Combined Parameter created will be added to the list of existing ones as shown below 
To view details of any of Combined Parameter created, click on the drop-down option on the left as shown below To delete any of the Combined Parameters, click on the drop-down option on the left and then click on the “delete” icon as shown below. 
Calculated Parameters
Turn on the settings mode (on the top right corner). In order to add Calculated Parameters, choose “Derived” from the menu. In Derived, three tabs will be visible namely, Lists, Combined Parameters and Calculated Parameters. Choose the Calculated Parameters option (as shown below). To create a new Calculated Parameters, click on the “Create Calculated Param” button as shown. 
Enter the Name, Correction Factor and choose the required Operator from the drop-down option (+ - ^ * /) Now Choose Workspace, device, Param Type, Param, Param Operator and enter the Param Operand for Parameter 1 and Parameter 2 as shown below. After entering all the required values for both the parameters click on submit. The Calculated Parameter created will be added to the list of existing ones as shown below 
To view details of any of Calculated Parameter created, click on the drop-down option on the left as shown below To delete any of the Calculated Parameters, click on the drop-down option on the left and then click on the “delete” icon as shown below. 