# I will never understand floating-point arithmetic

**URL:** https://discourse.julialang.org/t/i-will-never-understand-floating-point-arithmetic/111342
**Category:** Offtopic
**Tags:** float, precision
**Created:** [March 8, 2024, 10:27am UTC](https://discourse.julialang.org/t/i-will-never-understand-floating-point-arithmetic/111342 "2024-03-08T10:27:51Z")
**Posts on this page:** 1
**Showing post:** 12

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### Author: ![stevengj](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/stevengj/32/71_2.png) [@stevengj](https://discourse.julialang.org/u/stevengj)
#### Post date: [March 8, 2024, 1:30pm UTC](https://discourse.julialang.org/t/i-will-never-understand-floating-point-arithmetic/111342/12 "2024-03-08T13:30:37Z")

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> [@stephancb](#):
>
> BTW, is there a package for Julia that would reveal mantissa and exponent of IEEE754 floats?

There are built-in functions: [How to get the significand and the exponent of a floating point number?](https://discourse.julialang.org/t/how-to-get-the-significand-and-the-exponent-of-a-floating-point-number/29900)

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