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Macro Reference
745
8
Appendices
Vision System FH/FZ5 Series
User’s Manual (Z340)
Sqr
Determining the square root.
Format
Sqr(<expression>)
Parameter
Return value
Returns the double precision real square root value.
Description
Gets the square root of the expression specified in the <expression> parameter.
Specify 0 or positive number for the <expression> parameter.
If an incorrect data type is specified for a parameter, a "Type mismatch" error will occur.
If a non-existent number, numerical value, or combination of data types or values is specified for a parameter,
an "Illegal function call" error will occur.
If a value is assigned to the return value variable or the variable is not used in an expression, a "Syntax error"
error will occur.
If the format is written incorrectly, such as writing the macro function name incorrectly, omitting a comma, or
omitting a half-width space, a "Syntax error" error will occur.
Usage Cautions
• None.
Example
Gets the square root of 256.
The result is shown below.
Useable Modules
Unit Calculation Macro / Scene Control Macro / Communication Command Macro / Unit Macro
Supported Versions
Version 3.50 or later
Related Items
Parameter
name
Data type Description
<expression>
Integer type
Double
precision real
number data
type
Expression to get the square root
DATA# = Sqr(256)
DATA# = 16
GetUnitData (Reference: X Details (p.552)) UnitData (Reference: X Details (p.778))
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