import numpy as np
from matplotlib.pyplot import plot, show

print "Future value", np.fv(0.03/4, 5 * 4, -10, -1000)

fvals = []

for i in xrange(1, 10):
   fvals.append(np.fv(.03/4, i * 4, -10, -1000))

plot(fvals, 'bo')
show()