| Class Summary | 
| BaseCompoundFile | Contains the common data for a compound file | 
| BuiltInFormat | The excel string for the various built in formats. | 
| BuiltInStyle | Represents a built in, rather than a user defined, style. | 
| CellReferenceHelper | A helper to transform between excel cell references and 
 sheet:column:row notation
 Because this function will be called when generating a string 
 representation of a formula, the cell reference will merely
 be appened to the string buffer instead of returning a full
 blooded string, for performance reasons | 
| DoubleHelper | Class to help handle doubles | 
| EmptyCell | An empty cell. | 
| FontRecord | A record containing the necessary data for the font information | 
| FontRecord.Biff7 | Dummy indicators for overloading the constructor | 
| Fonts | A container for the list of fonts used in this workbook | 
| FormatRecord | A non-built format record | 
| FormatRecord.BiffType |  | 
| FormattingRecords | The list of XF records and formatting records for the workbook | 
| IntegerHelper | Converts excel byte representations into integers | 
| RecordData | The record data within a record | 
| SheetRangeImpl | Implementation class for the Range interface. | 
| StringHelper | Helper function to convert Java string objects to and from the byte 
 representations | 
| Type | The biff types | 
| WritableRecordData | Extension of the standard RecordData which is used to support those
 records which, once read, may also be written | 
| XFRecord | Holds an extended formatting record | 
| XFRecord.BiffType |  |