# Working with machine precision

**URL:** <https://discourse.julialang.org/t/working-with-machine-precision/29576>\
**Category:** General Usage\
**Created:** [October 7, 2019, 7:49am UTC](https://discourse.julialang.org/t/working-with-machine-precision/29576 "2019-10-07T07:49:35Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![kristoffer.carlsson](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/kristoffer.carlsson/32/22_2.png) [@kristoffer.carlsson](https://discourse.julialang.org/u/kristoffer.carlsson)\
**Post date:** [October 7, 2019, 8:25am UTC](https://discourse.julialang.org/t/working-with-machine-precision/29576/6 "2019-10-07T08:25:57Z")

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> [@aahaselgrove](#):
>
> I’d question the definition of exact accuracy - clearly, the exact solution is 0.3.

Please read through [PSA: floating-point arithmetic](https://discourse.julialang.org/t/psa-floating-point-arithmetic/8678) and see if you have further questions.

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