Exploring calculations
Call the explorer with
button . If you have
"Windows common controls" installed on your computer then you will see:

Explorer helps you access all existing calculations
grouped by analytical properties. Expand nodes of the tree
and choose the one you need. All calculations belonging to the selected group will appear
in the right part of the window.
You may change the list of properties and reorder them in the tree with
button.

To load a calculation for editing, printing or deleting,
select it in the right part of the window and click Open button.
!!! But
If you have not a "Windows common controls" installed in the computer then you can just search and select a saved calculation from a flat list which looks like:

After you made few calls of this list for opening a document a program will offer:

Click Yes, then download MSComCtl.exe and execute it.
Download "Windows common controls" now