# PSA: floating-point arithmetic

**URL:** https://discourse.julialang.org/t/psa-floating-point-arithmetic/8678
**Category:** Offtopic
**Created:** [January 29, 2018, 7:56pm UTC](https://discourse.julialang.org/t/psa-floating-point-arithmetic/8678 "2018-01-29T19:56:38Z")
**Posts on this page:** 1
**Showing post:** 5

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### Author: ![Tamas\_Papp](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/tamas_papp/32/25949_2.png) [@Tamas\_Papp](https://discourse.julialang.org/u/Tamas_Papp)
#### Post date: [January 30, 2018, 7:03am UTC](https://discourse.julialang.org/t/psa-floating-point-arithmetic/8678/5 "2018-01-30T07:03:41Z")

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Great writeup! Extending @giordano’s suggestion about `prevfloat` and `nextfloat`, you could also mention other functions from `Base.Math`, eg `significand` and `exponent`, and perhaps use them in the examples that decompose the floats.

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