| Offset | Name | Size | Contents |
| 4 | regt | 1 | Regression type: 0 = polynomial 1 = exponential 2 = Logarithmic 3 = Power 4 = moving average (a linear trendline has type 0 with order 1) |
| 5 | ordUser | 1 | Polynomial order or moving average period |
| 6 | numIntercept | 8 | IEEE number; specifies forced intercept (#NA if no intercept is specified) |
| 14 | fEquation | 1 | TRUE if the equation is displayed |
| 15 | fRSquared | 1 | TRUE if the R-squared value is displayed |
| 16 | numForecast | 8 | IEEE number; specifies number of periods to forecast forward |
| 24 | numBackcast | 8 | IEEE number; specifies number of periods to forecast backward |