Try this:
var num:Number = 1;
num -= 0.2
trace( num );
num -= 0.2
trace( num );
num -= 0.2
trace( num );
num -= 0.2
trace( num );
num -= 0.2
trace( num );
num -= 0.2
trace( num );
It will output this:
0.8
0.6000000000000001
0.4000000000000001
0.20000000000000007
5.551115123125783e-17
-0.19999999999999996
Do you have any logical explanation about that???
