# Subtraction problem

**URL:** <https://forum.kirupa.com/t/subtraction-problem/327986>\
**Category:** Uncategorized\
**Created:** [April 11, 2012, 6:30am UTC](https://forum.kirupa.com/t/subtraction-problem/327986 "2012-04-11T06:30:25Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![G\_siX](https://avatars.discourse-cdn.com/v4/letter/g/fbc32d/32.png) [@G\_siX](https://forum.kirupa.com/u/G_siX)\
**Post date:** [April 11, 2012, 6:30am UTC](https://forum.kirupa.com/t/subtraction-problem/327986/1 "2012-04-11T06:30:25Z")

</div>

any pro in here please explain this

var Num1:Number = 9.999;  
var Num2:Number = 9.998;  
var Res:Number = Num1 - Num2;  
trace(Res);

why i m getting this resault:  
0.0010000000000012221

i v been googling around and seem like no luck