| Offset | Name | Size | Contents |
| 4 | rwFirst | 2 | First row of the array |
| 6 | rwLast | 2 | Last row of the array |
| 8 | colFirst | 1 | First column of the array |
| 9 | colLast | 1 | Last column of the array |
| 10 | grbit | 2 | Option flags |
| 12 | chn | 4 | (See text) |
| 16 | cce | 2 | Length of the parsed expression |
| 18 | rgce | var | Parsed expression |
| Offset | Bits | Mask | Name | Contents |
| 0 | 0 | 01h | fAlwaysCalc | Always calculate the formula. |
| 1 | 02h | fCalcOnLoad | Calculate the formula when the file is opened. | |
| 7–2 | FCh | (unused) | ||
| 1 | 7–0 | FFh | (unused) | |