# Scrollbar

**URL:** <https://forum.kirupa.com/t/scrollbar/310338>\
**Category:** Uncategorized\
**Created:** [June 8, 2010, 12:19am UTC](https://forum.kirupa.com/t/scrollbar/310338 "2010-06-08T00:19:36Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Ineedsleep](https://avatars.discourse-cdn.com/v4/letter/i/e5b9ba/32.png) [@Ineedsleep](https://forum.kirupa.com/u/Ineedsleep)\
**Post date:** [June 8, 2010, 12:19am UTC](https://forum.kirupa.com/t/scrollbar/310338/1 "2010-06-08T00:19:36Z")

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Hi all,  
Im really struggling to get my head around the logic for a scrollbar, can someone point me in the right direction of the maths for it.

Its a simple set up there is a handler, scrollbar, mask and content.

Any help would be great

Thanks