# cs4 as2 - changing a string variable to a number

**URL:** <https://forum.kirupa.com/t/cs4-as2-changing-a-string-variable-to-a-number/297063>\
**Category:** flash\
**Created:** [September 25, 2009, 1:53am UTC](https://forum.kirupa.com/t/cs4-as2-changing-a-string-variable-to-a-number/297063 "2009-09-25T01:53:27Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![robroyce](https://avatars.discourse-cdn.com/v4/letter/r/67e7ee/32.png) [@robroyce](https://forum.kirupa.com/u/robroyce)\
**Post date:** [September 25, 2009, 1:53am UTC](https://forum.kirupa.com/t/cs4-as2-changing-a-string-variable-to-a-number/297063/1 "2009-09-25T01:53:27Z")

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Hi Guys,

I want to add some input fields together and can’t seem to do it… Can someone help?

test\_btn.onRelease=function(){  
total = Number(input1) + Number(input2);  
}

In the total field I get ‘NaN’

Any suggestions?

Cheers