# How to do mathematical operations on 2 variables in tsvb markdown

**URL:** <https://discuss.elastic.co/t/how-to-do-mathematical-operations-on-2-variables-in-tsvb-markdown/317062>\
**Category:** Kibana\
**Created:** [October 20, 2022, 2:02am UTC](https://discuss.elastic.co/t/how-to-do-mathematical-operations-on-2-variables-in-tsvb-markdown/317062 "2022-10-20T02:02:51Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![eleven\_e](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/eleven_e/32/106651_2.png) [@eleven\_e](https://discuss.elastic.co/u/eleven_e)\
**Post date:** [October 20, 2022, 2:02am UTC](https://discuss.elastic.co/t/how-to-do-mathematical-operations-on-2-variables-in-tsvb-markdown/317062/1 "2022-10-20T02:02:51Z")

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I have 2 variables 'a' and 'b' where i need to perform (b-a)/b operation, how should i achieve it in the markdown?

thanks.

 ![Capture](https://us1.discourse-cdn.com/elastic/original/3X/3/b/3ba65fb6869b2221c396fae1a993e7e54a75b340.png)

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<div class="post-metadata">

**Author:** ![Stratoula\_Kalafateli](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/stratoula_kalafateli/32/70923_2.png) [@Stratoula\_Kalafateli](https://discuss.elastic.co/u/Stratoula_Kalafateli)\
**Post date:** [October 20, 2022, 5:51am UTC](https://discuss.elastic.co/t/how-to-do-mathematical-operations-on-2-variables-in-tsvb-markdown/317062/2 "2022-10-20T05:51:01Z")

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Hey! You could use the Math operation. Something like that

 ![image](https://us1.discourse-cdn.com/elastic/original/3X/4/e/4ebdb302b5048e80726b61450cfdbe1389de3d4e.png)

which results in the following markdown

 ![image](https://us1.discourse-cdn.com/elastic/original/3X/2/e/2eb7eda4371b295813b5232d90505dc56a06551f.png)

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<div class="post-metadata">

**Author:** ![eleven\_e](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/eleven_e/32/106651_2.png) [@eleven\_e](https://discuss.elastic.co/u/eleven_e)\
**Post date:** [October 20, 2022, 6:29am UTC](https://discuss.elastic.co/t/how-to-do-mathematical-operations-on-2-variables-in-tsvb-markdown/317062/3 "2022-10-20T06:29:39Z")

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@Stratoula_Kalafateli Thanks a lot!

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [November 17, 2022, 6:30am UTC](https://discuss.elastic.co/t/how-to-do-mathematical-operations-on-2-variables-in-tsvb-markdown/317062/4 "2022-11-17T06:30:01Z")

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