MB Free Rational Thought Number Software is software which is simple and interactive, and highlights the various ways in which you can probably develop your own thought process. This number, which is derived by adding up the value of all the letters in your first name, reveals whether you are a practical thinker or more of a dreamer. The rational thought number describes the way you think. Whether you are a practical person, a methodical person or a dreamer is gauged from your rational thought number. Your Rational Thought number can be calculated by adding the digits representing the letters of your name (of your full name at birth) to the day of your birth. From the table given below we can get the Rational Thought Number of a person.