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.
Annotation:
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)