(1) % MotionGenesis: MGDemo.txt
   (2) sum = 2 + 2
-> (3) sum = 4

   (4) fun = 3*sin(t)^2 + 2*cos(t)^2
-> (5) fun = 2 + sin(t)^2

   (6) good = Dt(fun)
-> (7) good = 2*sin(t)*cos(t)

   (8) Variable x
   (9) Solve( 2*x - 8*t = 6,  x )
-> (10) x = 3 + 4*t

   (11) Solve( x^2 := cos(x),  x=0.1 )
-> (12) x = 0.8241323

   (13) Variable y'' = -sin(y)
-> (14) y'' = -sin(y)

   (15) Input  y = 1 m, y' = 0 m/s, tFinal = 10 s
   (16) Output t seconds,  y meters
   (17) ODE()  MGDemo

   (18) Plot   MGDemo.1[1,2]