People are bad at making important decisions. But with the help of a few simple equations could you 'solve' all your problems and make life easy? According to philosopher, writer and part-time mathematician Garth Sundem, all you need is a 'simple' equation. From singles bars to how to guarantee a perfect divorce, Garth enlightens a mathematically deprived public, demystifying life, showing that maybe all we really need for a perfect life is a calculator. A BBC Production.