Operators - compare – Metrohm tiamo 1.3 Manual User Manual
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Operand1 Operand2 Result
Example
Remarks
Number Time
Number
2.0 OR Time(1999;10;7) --> 1
0 OR Time(1964;02;03) --> 1
Before the operation an operand of
the type
Date/Time
is converted to
the type
Number
; all dates from 30
December 1899 are interpreted as
1
(true).
Time Number
Number
Time(1999;10;7) OR 2.5 --> 1
The same rules apply here as for the
previous operation.
Text Time Number
"Metrohm" OR
Time(1999;10;7) --> 1
Before the operation an operand of
the type
Date/Time
is converted to
the type
Text
and each non-empty
character string is interpreted as 1
(true).
Time Text Number
Time(1999;10;7) OR
"Metrohm" --> 1
The same rules apply here as for the
previous operation.
Operators - Compare
Equal
Syntax
Operand1 = Operand2
The operands can either be entered directly or as a Variable and can be
of the type
Text
,
Number
or
Date/Time
. The result type is always a number (
1
= true,
0
= false).
Examples
Operand1 Operand2 Result
Example
Remarks
Operands of the same type:
Number Number Number
5 = 5 --> 1
4 = 5 --> 0
-
Text Text Number
"Metrohm" = "AG" --> 0
"aG" = "AG" --> 0
In a comparison between two text
the ASCII values (see ASCII table) of
the character strings are compared.
Note: upper and lower case letters
have different values!
Time Time Number
Time(1998;04;06) =
Time(1964;02;03) --> 0
Time()
: see function Time(Date)
Operands of different types:
Number Text
Number
1.2 = "1.2" --> 1
1.2 = "Metrohm" --> 0
Before the comparative operation
the
Number
is converted to
Text
and
then the texts are compared accord-
ing to the ASCII table.
Text Number
Number
"Metrohm" = 1.2 --> 0
The same rules apply here as for the
previous operation.