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MON20/20 Software for Gas Chromatographs User Manual
SEPTEMBER 2010 3-9000-745
4-59
4.6.3 Inserting an Expression
A mathematical expression has the following structure:
Variable = Regular expression
Figure 4-51. Edit Expression area
To add an expression to a conditional statement or calculation, do the
following:
1. Click on the Insert drop-down list and select Insert Expression. A
new line is added to the Calculation Steps Viewer and the
Expression Editor switches to Edit Expression mode.
2. Select a variable from the Variable drop-down tree view. You can
select either a temporary variable or you can set the expression you
are building as the final result of your new user-defined calculation.
For instance, if the user-defined calculation you are building is called
‘User Calc 1,’ then you can select User Calc 1 from the Final Result
tree view. For information on creating variables, see “Creating or
Editing a Temporary Variable” on page 4-63.
regular expression
variable