# Calculating Complex Formulas in Text Documents

/text/swriter/guide/calculate_intext.xhp
formulas; complex formulas in text
calculating;formulas/mean values
mw reduced "calculating;" entries to one entry
Calculating Complex Formulas in Text Documents
You can use predefined functions in a formula, and then insert the result of the calculation into a text document.
For example, to calculate the mean value of three numbers, do the following:
- Click in the document where you want to insert the formula, and then press F2.
- Click the Formula icon, and choose "Mean" from the Statistical Functions list.
- Type the three numbers, separated by vertical slashes (|).
- Press Enter. The result is inserted as a field into the document.
To edit the formula, double-click the field in the document.