Entering nested formulas manually into Excel can often lead to syntax and typing errors. For example, suppose you want to know what the average minimum monthly sales are for the North, South, and East regions. To avoid errors, you could create a MIN formula (MIN being the minimum function, which returns the smallest value in a range, as opposed to MAX, which would return the largest value in a range) for each of the regions in three different cells, and then reference those cells in a separate average formula.

Or, you could follow these steps and use the Insert Function dialog box to nest the MIN formulas in one average formula.

  1. Click in the cell where you want the formula to appear.
  2. Click the Insert Function button in the formula bar.
  3. Select Average and click OK.
  4. Click the Arrow button to the left of the Cancel button in the formula bar.
  5. Select MIN from the list.
  6. Select the North region's monthly totals cells.
  7. Click OK.
  8. Click the Insert Function button.
  9. Click in the Number 2 box.
  10. Click MIN in the formula bar.
  11. Select the South region's monthly totals cells.
  12. Click OK.
  13. Click the Insert Function button.
  14. Click in the Number 2 box and tab to the Number 3 box.
  15. Click MIN in the Formula bar.
  16. Select the East region's monthly total cells.
  17. Click OK.

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