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Metrohm tiamo 1.0 Manual User Manual

Page 63

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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.