AlmostEqual

Math functions 
SYNTAX  AlmostEqual( x, y, ulps = 5 ) 
RETURNS  NUMBER ARRAY 
FUNCTION  This is a helper function for comparing floating point numbers. It returns True if x and y are equal or almost equal upto defined accurracy (ulps). It is recommended to use this function instead of equality check (==) as it leads to more reliable comparisons and less headache caused by IEEE floating pointacurracy issues.
Parameters:

EXAMPLE  if( 1/3 == 0.3333333 ) 
SEE ALSO 
The AlmostEqual function is used in the following formulas in AFL online library: