Change of some paragraph styles and Annotations in Chapter 9 of Calc guide 7.6

Change and annotation:
In the page 26 I have changed some paragraph styles (annotation added) for beter understood the content of the section.
it seems that the GETPIVOTDATE formula has been rectified, assess whether the recommendation about the Date format in page 33 and the figure 49 related sould be removed
CG7509-Fig 49.ods (26,3 KB)