The formula record aggregate is used to join together the formula record and it's
(optional) string record and (optional) Shared Formula Record (template reads, excel optimization).
author: Glen Stampoultzis (glens at apache.org)
public int serialize(int offset, byte[] data)(Code)
called by the class that is responsible for writing this sucker.
Subclasses should implement this so that their data is passed back in a
byte array.
Parameters: offset - to begin writing at Parameters: data - byte array containing instance data number of bytes written