+----------------------------+
|CALL HCOPY (ID1,ID2,CHTITL) |
+----------------------------+
Action: Generates histogram ID2 as a copy of ID1, apart from the title.
Input parameter(s)
+------------------------+
|CALL HRESET (ID,CHTITL) |
+------------------------+
Action: Resets the contents of all channels of a histogram (and its projections) to zero and changes optionally the title.
Input parameter(s)
+------------------+
| CALL HDELET (ID) |
+------------------+
Action: Deletes a histogram and releases the corresponding storage space.
Input parameter(s)
See section [more info] in the introductory chapter for a simple example of how to book, fill and print histograms.