# How to perform Algrebraic operations on "IntervalBox.()"?

**URL:** https://discourse.julialang.org/t/how-to-perform-algrebraic-operations-on-intervalbox/101661
**Category:** General Usage
**Tags:** question, package
**Created:** [July 15, 2023, 7:15pm UTC](https://discourse.julialang.org/t/how-to-perform-algrebraic-operations-on-intervalbox/101661 "2023-07-15T19:15:38Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![Ashu](https://avatars.discourse-cdn.com/v4/letter/a/4bbf92/32.png) [@Ashu](https://discourse.julialang.org/u/Ashu)
#### Post date: [July 15, 2023, 7:15pm UTC](https://discourse.julialang.org/t/how-to-perform-algrebraic-operations-on-intervalbox/101661/1 "2023-07-15T19:15:38Z")

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Hello All,

There are two interval box `X = IntervalBox.(0..5, 5..10, 10..15)` and `Y=IntervalBox.(-5..3, 11..13, 7..11)`.  
Please let me know how to do elementwise union, and intersection between the two IntervalBoxes `IntervalArithmetic.jl` package.

Thanks in advance.