# Arithmetic with Array Values

**URL:** <https://forum.kirupa.com/t/arithmetic-with-array-values/217726>\
**Category:** flash\
**Created:** [March 1, 2007, 1:16pm UTC](https://forum.kirupa.com/t/arithmetic-with-array-values/217726 "2007-03-01T13:16:59Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![hardright](https://avatars.discourse-cdn.com/v4/letter/h/fbc32d/32.png) [@hardright](https://forum.kirupa.com/u/hardright)\
**Post date:** [March 1, 2007, 1:16pm UTC](https://forum.kirupa.com/t/arithmetic-with-array-values/217726/1 "2007-03-01T13:16:59Z")

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var oth:Number = uup[0]+dup[0]

Hi I’m trying to find the sum of two array values and I’m just getting a concatenated string of the two numbers. What am I doing wrong?