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How to compute exponential value ?

lixian123

<ol><li>I need to compute row column value in BIRT cross-tab .</li>
</ol> 
<ol><li>example : 5.240124211265131e power sub 4 ? how to compute it below expression showing zero ('0') instead of exponential value .</li>
</ol><pre class="_prettyXprint">
BirtMath.roundDown(data["JOB_COST_MINUTES_DATE/STAT_TIME_2"]/3600, 2)</pre>

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Clement Wong

Can you please clarify your question?
 
So you have a value such as "0.000524012421126513", and you want it to show just "0"?
 
Have you tried using the expression data["JOB_COST_MINUTES_DATE/STAT_TIME_2"]/3600, and then changing the report item's Properties > Format Number.
 
You can select Format as: Fixed with Decimal places: 0. And then select the appropriate Rounding Mode:
 
If this does not work for, please include an example report using the Classic Models that demonstrates your issue so that we can help you further.