Final answer:
The statement is True. Custom fields can be used to create calculations based on other custom fields.
Step-by-step explanation:
The statement is True.
Custom fields are a feature commonly found in software applications or databases that allow users to define their own fields and capture specific data.
In the context of this question, custom fields can be used to create calculations based on other custom fields. For example, if you have a custom field for the length of one vector and another custom field for the width of a second vector, you can create a third custom field that calculates the length of the resultant vector using the Pythagorean theorem.
Therefore, you can make almost any custom field part of a calculation for another custom field.