This document discusses VOFM (Value Object Formulas) routines in SAP SD (Sales and Distribution). VOFM routines allow users to define how values are calculated during business processes. The document covers standard VOFM routines for pricing, including scale base formulas that alter the value used to read pricing scales, condition base value formulas that influence the condition basis for pricing calculations, and examples of how they are used. It also describes how customers can create their own VOFM routines.