# Rounding Error with Decimal Sum

**URL:** <https://forum.elixirforum.com/t/rounding-error-with-decimal-sum/27708>\
**Category:** Questions\
**Tags:** decimal\
**Created:** [December 20, 2019, 1:04pm UTC](https://forum.elixirforum.com/t/rounding-error-with-decimal-sum/27708 "2019-12-20T13:04:16Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![NobbZ](https://forum.elixirforum.com/user_avatar/forum.elixirforum.com/nobbz/32/27235_2.png) [@NobbZ](https://forum.elixirforum.com/u/NobbZ)\
**Post date:** [December 20, 2019, 1:32pm UTC](https://forum.elixirforum.com/t/rounding-error-with-decimal-sum/27708/6 "2019-12-20T13:32:55Z")

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The magic of floats.

> **[Floating Point Math](https://0.30000000000000004.com/)**

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