Rigol MSO4000 Series User Manual page 183

Chapter 6 Operations and Measurements
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You can edit and apply the operation expression following the steps below.
1. Open the operation expression editing window
2. Edit the operation expression
3. Apply the operation expression currently edited
MSO4000/DS4000 User's Guide
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Operator
The function of each operator is as shown in the table below.
Table 6-4 Operator
Operator Function
+ - * / Arithmetic operators: add, subtract, multiply and divide
Parentheses, used to increase the priority of the operation
( )
enclosed in the parentheses
Relationship operators: lower than, greater than, lower
< > <=
than or equal to, greater than or equal to, equal to, not
>= == !=
equal to
!( || && Logic operator: NOT, OR, AND
Note: In division operation, when the divisor is 0, the result of the division is
treated as 0.
Figure
You can select figures 0 to 9, decimal point and character E. Wherein, character
E represents the nth power of 10. For example, 1.5E3 means 1.5×10
Press MATH  Operate and select "Advance"; press Expression and select
"ON"; the expression editing window as shown in Figure 6-2 is displayed.
In the expression editing window, turn the multi-function knob
desired item in "Channel", "Function", "Variable", "Operator" and "Figure" (in the
current state, items available are displayed in white; items grayed out cannot be
selected); then, press down the knob and the item currently selected will be
displayed in the "Expression" box (this item will be displayed at the current
cursor position).
During the expression editing, you can press Delete to delete the item currently
at the left of the cursor or press Clear to delete all the items in the "Expression"
box.
After finishing the expression editing, press Apply to apply the operation
expression currently edited and exit the expression editing window
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