How to prevent display in scientific notation

I want to convert a large double value to a string,
but when the value is greater than 10000000 , it will display in
scientific notation , such as 3.435E8
However, how can I convert it automatically to 343500000 because
there is an interface program which do not accept the scientific
notation format
Thanks in advanced

Start here: http://java.sun.com/j2se/1.4/docs/api/java/text/NumberFormat.html

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How can display the correct result. Please help
Please see the code I have used
<cfset N1=1>
<cfset N2=9999999999999899999999>
<cfset RESULT = N1+ N2>
<cfoutput>
#RESULT#
<br />
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Thanks in advance

I think in floating point math adding 1 to 9999999999999899999999 is going to be a meaningless operation as by the time one converts 1 to a floating point of the scale & precision needed to represent 9999999999999899999999, it's going to lose any significance (ie: it's going to basically be represented as zero).
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duplicate for thread
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How to prevent display in scientific notation

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