Borislav,

if ( abs( numb_1 - numb_2 ) <= EPSILON ) )

where EPSILON is a small number that means these two numbers are close enough to be the same in the context of the data values.

>As Hilmar said the difference migth be in 7th digital after decimal point. I always compare two numbers with rounding:
>
>IF ROUND(numb_1,2) == ROUND(numb_2,2)