# Use Math node to calculate value from columns that have similar headers

**URL:** <https://forum.knime.com/t/use-math-node-to-calculate-value-from-columns-that-have-similar-headers/40463>\
**Category:** KNIME Analytics Platform\
**Created:** [March 7, 2022, 9:38am UTC](https://forum.knime.com/t/use-math-node-to-calculate-value-from-columns-that-have-similar-headers/40463 "2022-03-07T09:38:15Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![TigerCole](https://forum-cdn.knime.com/user_avatar/forum.knime.com/tigercole/32/17065_2.png) [@TigerCole](https://forum.knime.com/u/TigerCole)\
**Post date:** [March 7, 2022, 10:59am UTC](https://forum.knime.com/t/use-math-node-to-calculate-value-from-columns-that-have-similar-headers/40463/3 "2022-03-07T10:59:51Z")

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Hi @aworker

I have attached the XLSX file. Thanks for your help.

[SampleFile.xlsx](https://forum.knime.com/uploads/short-url/pl9UdogrbbbobQ5hq1ZhbLVN0YF.xlsx) (4.2 KB)

tC/.

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