Chapter 6 Operations and Measurements RIGOL
DS4000E User’s Guide 6-17
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
3
.
You can edit and apply the operation expression following the steps below.
1. Open the operation expression editing window
Press MATH Operate and select “Advanced”; press Expression and select
“ON”; the expression editing window as shown in Figure 6-2 is displayed.
2. Edit the operation expression
In the expression editing window, turn the multi-function knob
to select the
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.
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