User calculations

To add a new User Calculation:

1. Click and select the type of calculation to add.

2. Enter the name for the User Calculation.

3. Select the variables that are used in the calculation and give each variable a short tag which is used to refer to the variable in the User Calculation function.

4. Write a formula to define how the User Calculation is determined using standard mathematical operators and referring to each variable by its short tag

5. Select the display format for the calculated value and enter a comment if necessary.