Hello , Here are three stepts that I would like to speed up - if possible:  STEP 1: I am generating an array, containing binary numbers  up to a certain amount of digits. My script adds leading zeros, so that each number has equal amount of digits. Example: 14 digit Binary array: I am using the code For $i = 0 to 2^$bit-1 ; $bit amount of digits. for example: 14 $binary = ( Dec2Bin($i) ) ; Check length of binary string $adig = $bit - String