n = 15108099
k = n Mod 10000
T = n Mod 100
m = n Mod 35
a = n Mod 25
L = n Mod 10

pi = 4 * Atn(1)
g = 10
' badminton direct hit:
x = 2 - 1 / k
y = 0.5 - 1 / n
N1 = 2 * y / x
aN = Atn(N1)
DaN = aN * 180 / pi
MsgBox DaN
v = Sqr(g * x * (1 + N1 ^ 2) / N1)
MsgBox v