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Arithmetic Functions
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  • Product: Contract Express

Plus Operator

+ Operator

Description 1 of 5 (arithmetic addition):
The arithmetic addition of a first number and a second number.
note
ARITHMETIC OVERFLOW
This function is non-evaluable if the resultant value would exceed approximately +/- 1.8e308.
For example, adding together two very big numbers.
Returns:
Number
Parameters:
Parameter
Data Type
Description
1
Number
The first number.
2
Number
The second number.
Example:
When using functions inside a field, remember the field brackets:
{LengthOfTerm + ExtendedTerm}
Expression
Result
2.5 + 3.4999
5.9999
Description 2 of 5 (the date which is a number of days after a date):
This is equivalent to the function
DaysAfter
, and is the date which is so many whole days after the source date.
If the number of days is positive then the resultant date will be after the source date.
If the number of days is negative then the resultant date will be before the source date.
Returns:
Date
Parameters:
Parameter
Data Type
Description
1
Date
The source date.
2
Whole Number
The number of whole days after.
Examples:
Expression
Result
Date( 1999, 12, 31 ) + 60
Date( 2000, 2, 29 )
Date( 1999, 12, 31 ) + 61
Date( 2000, 3, 1 )
Description 3 of 5 (the union of two lists):
This is equivalent to the function
Union
, and returns those members of the first list plus those members of the second with duplicates removed.
Returns:
Any*
Parameters:
Parameter
Data Type
Description
1
Any*
The first list.
2
Any*
The second list.
Examples:
Expression
Result
List("a","b","c") + List("a","b","d","e")
List("a","b","c","d","e")
List("a","a","b","c","c") + List("d","d","e")
List("a","b","c","d","e")
Description 4 of 5 (the concatenation of two texts):
This is equivalent to the function
Concatenate
.
The concatenation of the first text with the second text.
Returns:
Text
Parameters:
Parameter
Data Type
Description
1
Text
The first text.
2
Text
The second text.
Examples:
Expression
Result
"abc" + "de"
"abcde"
"" + "de"
"de"
"abc" + ""
"abc"
Description 5 of 5 (the time which is a number of seconds after a time):
This is equivalent to the function
SecondsAfter
.
The time which is so many whole seconds after the source time.
If the number of seconds is positive then the resultant time will be after the source time.
If the number of seconds is negative then the resultant time will be before the source time.
Returns:
Time
Parameters:
Parameter
Data Type
Description
1
Time
The source time.
2
Whole Number
The number of whole seconds after.
Examples:
Expression
Result
Time(11,58,59) + 60
Time(11,59,59)
Time(11,58,59) + 61
Time(12,0,0)
Time(23,58,59) + 61
Time(0,0,0)

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