FUNCTION: Round( )
Round(Number, NumDecimalPlaces)
The Round function rounds off a
floatingpoint number (decimal) to a
specified number of decimal places.
There is one mandatory argument.
Number
The Number argument is the number you wish to round off.
If the number of decimal places to round off to is not specified, the
number is rounded off to an integer.
Code:
<% =Round(1.123456789) %>
Output:
1
Code:
<% =Round(9.87654321) %>
Output:
10
Note that negative numbers are rounded down (more negative).
Code:
<% =Round(2.899999999) %>
Output:
3
Even numbers that are composed of the exact decimal .5, such as 2.5, 4.50, or 22.500000,
are rounded down (towards the negative direction).
Negative, even numbers are rounded up (towards the postive direction).
Odd number that are composed of the exact decimal .5, such as 1.5, 3.50, or 21.500000,
are rounded up (towards the positive direction).
Negative, odd numbers are rounded down (towards the negative direction).
Code:
<% =Round(4.50) %>
<% =Round(3.5) %>
<% =Round(2.5000) %>
<% =Round(1.5) %>
<% =Round(0.50000) %>
<% =Round(0.50) %>
<% =Round(1.5) %>
<% =Round(2.50000000) %>
<% =Round(3.5) %>
<% =Round(4.5) %>
Output:
4
4
2
2
0
0
2
2
4
4
There is one optional argument.
NumDecimalPlaces
The optional NumDecimalPlaces argument specifies how
many decimal places
to round off to.
Code:
<% =Round(1.123456789, 6) %>
Output:
1.123457
Note that negative numbers are rounded down (more negative).
Code:
<% =Round(2.899999999, 2) %>
Output:
2.9
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