# Maths help

**URL:** <https://forum.kirupa.com/t/maths-help/186401>\
**Category:** Uncategorized\
**Created:** [April 21, 2006, 12:59am UTC](https://forum.kirupa.com/t/maths-help/186401 "2006-04-21T00:59:17Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![willgoldstone7](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.kirupa.com/willgoldstone7/32/2251_2.png) [@willgoldstone7](https://forum.kirupa.com/u/willgoldstone7)\
**Post date:** [April 21, 2006, 12:59am UTC](https://forum.kirupa.com/t/maths-help/186401/1 "2006-04-21T00:59:17Z")

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this is probably really easy question, but im rubbish at maths so have no clue what i’m meant to do. i basically want flash to recognise the opposite position of \_ymouse. my stage is 600 high. so basically when the cursor is at 0 flash thinks it is at 600.  
your help is much appreciated.

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**Author:** ![freeskier89](https://avatars.discourse-cdn.com/v4/letter/f/f475e1/32.png) [@freeskier89](https://forum.kirupa.com/u/freeskier89)\
**Post date:** [April 21, 2006, 1:10am UTC](https://forum.kirupa.com/t/maths-help/186401/2 "2006-04-21T01:10:37Z")

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600-\_ymouse 😛