Satine shot her hand into the air, "To calculate your destiny number, you first write out your certificate the way it can be found on your birth certificate. Then, substitute each of the letters with a number using the Pythagorian number system in Chapter Two of the book. And then finally, add up the numbers of each part of your name and reduce them down until you're left with the root number, thus equaling your destiny number." wow that was a mouth full she thought.