# Need help with a formula I suck at math

**URL:** <https://forum.kirupa.com/t/need-help-with-a-formula-i-suck-at-math/201816>\
**Category:** flash\
**Created:** [September 25, 2006, 1:51pm UTC](https://forum.kirupa.com/t/need-help-with-a-formula-i-suck-at-math/201816 "2006-09-25T13:51:02Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![booler](https://avatars.discourse-cdn.com/v4/letter/b/e5b9ba/32.png) [@booler](https://forum.kirupa.com/u/booler)\
**Post date:** [September 25, 2006, 1:51pm UTC](https://forum.kirupa.com/t/need-help-with-a-formula-i-suck-at-math/201816/1 "2006-09-25T13:51:02Z")

</div>

Ok here is the dilema I have a movie clip I want centered its 450px wide and my stage width is variable the part where I’m running into the problem is this… I want to not count the first 300 pixels to the left of the stage

So here is the diagram I came up with to demonstrate

\<------------------------------------\> 800px stage width  
\<-------\> 300px I want to ignore  
\<----------------\> 450px Clip I want centered on left  
over space registration  
point is top left

Please help me out guys

EDIT ok that screwed up my formatting on that I’ll post ou a pic shortly