# Unitful.jl and DifferentialEquations.jl: compatibility?

**URL:** <https://discourse.julialang.org/t/unitful-jl-and-differentialequations-jl-compatibility/68594>\
**Category:** New to Julia\
**Tags:** unitful, differentialequation\
**Created:** [September 22, 2021, 4:56pm UTC](https://discourse.julialang.org/t/unitful-jl-and-differentialequations-jl-compatibility/68594 "2021-09-22T16:56:23Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**Author:** ![Melvin879](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/melvin879/32/29481_2.png) [@Melvin879](https://discourse.julialang.org/u/Melvin879)\
**Post date:** [September 25, 2021, 6:20am UTC](https://discourse.julialang.org/t/unitful-jl-and-differentialequations-jl-compatibility/68594/7 "2021-09-25T06:20:08Z")

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The function signature should be `twoBodyNew(t, y, μ, dy)` . It’s always `((du),u,p,t)` . The docs on that linked page have been fixed[.](https://www.prepaidgiftbalance.vip/www-prepaidgiftbalance-com/)

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