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User Manual MON20/20 Software for Gas Chromatographs
3-9000-745 SEPTEMBER 2010
4-50
The following is a description of the design elements of the Edit User-
defined Calculation window:
•Element A - Called the Calculation Steps Viewer, this element
displays the line-by-line construction of the calculation as it is
being built. The following commands allow you to interact with
this area:
• Click Clear All to clear the content of the Calculation Steps
Viewer.
• Click Clear Line to clear the content of the selected line.
Note
If the selected line is an "If-Then" statement, then the entire condition is cleared. This
button is disabled when the cursor is on an "else" or "endif" condition.
• Click Delete Line to delete the selected line.
Note
If the selected line is the beginning of a conditional statement, then the entire "If-Then"
block will be deleted along with the expressions that constitute the "If-Then" construct.
If the selected line is part of the conditional "If-Then" construct—that is, the line only
has "Else" or "Endif" in it—then the entire "If-Then" construct will be deleted.
• Click Copy to copy the selected line to the clipboard. You cannot
copy keywords such as “else” or “endif.”
• Click Paste to paste the content of the clipboard into a selected
line. If the line already has a calculation in it, it is cleared before
the content of the clipboard is pasted into it.
•Element B - A drop-down menu with the following three
commands:
• Insert Comment - Adds a comment to the calculation. Each
comment is preceded by “//.”
• Insert Condition - Adds an “If-Then” statement to the
calculation.
• Insert Expression - Adds a mathematical expression to the
calculation.
•Element C - Also called the Expression Editor, this section is the
work area where the comment, condition or expression is built
before being added to the Calculation Steps Viewer. There are four
modes of the Expression Editor, depending upon what action is
being performed: