# \`im\` as global constant

**URL:** <https://discourse.julialang.org/t/im-as-global-constant/84055>\
**Category:** General Usage\
**Tags:** constants, complex-numbers\
**Created:** [July 11, 2022, 3:18pm UTC](https://discourse.julialang.org/t/im-as-global-constant/84055 "2022-07-11T15:18:15Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![kurt](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/kurt/32/210394_2.png) [@kurt](https://discourse.julialang.org/u/kurt)\
**Post date:** [July 11, 2022, 3:18pm UTC](https://discourse.julialang.org/t/im-as-global-constant/84055/1 "2022-07-11T15:18:16Z")

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Where is im as a global constant defined?  
I’ve checked base.jl, complex.jl and mathconsts.jl. I cant seem to find it.  
Help would be appreciated. Thank you

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**Author:** ![baggepinnen](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/baggepinnen/32/693_2.png) [@baggepinnen](https://discourse.julialang.org/u/baggepinnen)\
**Post date:** [July 11, 2022, 3:20pm UTC](https://discourse.julialang.org/t/im-as-global-constant/84055/2 "2022-07-11T15:20:48Z")

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> <https://github.com/JuliaLang/julia/blob/master/base/complex.jl#L36>

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<div class="post-metadata">

**Author:** ![kurt](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/kurt/32/210394_2.png) [@kurt](https://discourse.julialang.org/u/kurt)\
**Post date:** [July 11, 2022, 3:22pm UTC](https://discourse.julialang.org/t/im-as-global-constant/84055/3 "2022-07-11T15:22:10Z")

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Ah Ah! Thank you. 🙂