# Scientific Numbers in Logstash - How to handle them? Need help
**URL:** https://discuss.elastic.co/t/scientific-numbers-in-logstash-how-to-handle-them-need-help/209937
**Category:** Logstash
**Created:** [November 29, 2019, 8:12am UTC](https://discuss.elastic.co/t/scientific-numbers-in-logstash-how-to-handle-them-need-help/209937 "2019-11-29T08:12:26Z")
**Posts on this page:** 2
**Page:** 1
### Author:  [@Datakids](https://discuss.elastic.co/u/Datakids)
#### Post date: [November 29, 2019, 8:12am UTC](https://discuss.elastic.co/t/scientific-numbers-in-logstash-how-to-handle-them-need-help/209937/1 "2019-11-29T08:12:27Z")
Hi there,
I have found below mentions post which is a bit helpfull but I dont know how to split a Scientific Notation and merge them afterwards
.
A few examples of the numbers I want to handle or to learn how to handle in logstash:
2,3500000000000000E+02
-3,3000000000000000E+01
2500000000000000E+03
I tried also with grok but not yet found the right way:
`(?[([0-9] [+\-]? [0-9])]+)`
> [@Grok pattern to format a special date and scientific notation number](https://discuss.elastic.co/t/grok-pattern-to-format-a-special-date-and-scientific-notation-number/160786):
>
> Hi, I'm looking for two special patterns to convert a date with a special format and to convert a number with scientific notation. For the date, I've got this format yyyyMMdd\_hh:mm:ss (ex: 20181204\_10:50:07) For the scientific notation, here's what I've got and what I want : 2.474731e+01 =\> 24.74731 2.211762e+00 =\> 2.211762 9.629999e-01 =\> 0.9629999 Thanks for your help
Hope you can help me
Thanks and regards
---
### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [December 27, 2019, 8:12am UTC](https://discuss.elastic.co/t/scientific-numbers-in-logstash-how-to-handle-them-need-help/209937/2 "2019-12-27T08:12:27Z")
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