Metrohm tiamo 1.0 Manual User Manual
Page 63
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Formula editor
39
Unequal
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 <> 4 --> 1
5 <> 5 --> 0
In a comparison between two texts the
ASCII values (see ASCII table) of the char-
acter strings are compared. Note: upper
and lower case letters have different val-
ues!
Text Text Number
"Metrohm" <> "AG" -->
1
dfg
Time Time Number
Time(1998;04;06) <>
Time(1964;02;03) --> 1
Time()
: see function Time(Date)
Operands of different types:
Number Text
Number
1.2 <> "1.2" --> 0
1.2 <> "Metrohm" --> 1
Before the comparative operation the
Number
is converted to
Text
and then the
texts are compared according to the ASCII
table.
Text Number
Number
"Metrohm" <> 1.2 --> 1
The same rules apply here as for the pre-
vious operation.
Number Time
Number
2.0 <>
Time(1999;10;07) --> 1
Before the comparison the
Date/Time
is
converted to a
Number
(see Type conver-
sion "TimeToNumber").
Time Number
Number
Time(1999;10;07) <>
2.5 --> 1
The same rules apply here as for the pre-
vious operation.
Text Time Number
"Metrohm" <>
Time(1999;10;07) --> 1
Before the operation an operand of type
Date/Time
is converted to
Text
(i.e.:
"1999-
10-07 00:00:00 UTC+2"
) and then the texts
are compared according to the ASCII ta-
ble.
Time Text Number
Time(1999;10;7) <>
"Metrohm" --> 1
The same rules apply here as for the pre-
vious operation.