Public Sub N1()
Dim x As Double, z As Double, y As Double
Dim a As Single, b As Single, c As Single
a = 7.57: b = 6.28: x = 3.14
y = (a + b) / (Sqr(Abs(Sin(x))))
z = Sin(y) + Exp(-x)
Debug.Print "y="; Format(y, "###0.000")
Debug.Print "z="; Format(z, "###0.000")
End Sub