# Rational{Int64} variables in JuMP?

**URL:** https://discourse.julialang.org/t/rational-int64-variables-in-jump/42048
**Category:** Optimization (Mathematical)
**Created:** [June 25, 2020, 4:03pm UTC](https://discourse.julialang.org/t/rational-int64-variables-in-jump/42048 "2020-06-25T16:03:46Z")
**Posts on this page:** 1
**Showing post:** 5

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### Author: ![GeneralPoxter](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/generalpoxter/32/17695_2.png) [@GeneralPoxter](https://discourse.julialang.org/u/GeneralPoxter)
#### Post date: [June 25, 2020, 5:52pm UTC](https://discourse.julialang.org/t/rational-int64-variables-in-jump/42048/5 "2020-06-25T17:52:01Z")

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Do you know what’s the best solver to use when working with nonlinear constraints and integer variables?

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_[View the full topic](https://discourse.julialang.org/t/rational-int64-variables-in-jump/42048)._