//Project 3, Question 4

// RESULT : 0.029999999815139608
S=? [ error1 ]

// RESULT : 0.029199999289065463
S=? [ error2 ]

// RESULT : 0.05740100062966204
S=? [ (!error1prev & error2) | (error1prev & !error2) ]

// RESULT : 8.994999945407273E-4
S=? [ error1prev & error2 ]