@@ -0,0 +1,646 @@
+%22%22%22%0Ashows evolution of compounded interest for different period of time and different growth rates%0A%22%22%22%0Afrom mpl_toolkits.mplot3d import Axes3D%0Afrom matplotlib import cm%0Afrom matplotlib.ticker import LinearLocator, FormatStrFormatter%0Aimport matplotlib.pyplot as plt%0Aimport numpy as np%0A%0Af, axarr = plt.subplots(1, 2)%0A%0Afig = plt.figure()%0Aax = fig.gca(projection='3d')%0An = np.arange(0, 10, .1)%0Ar = np.arange(0, 1, 0.01)%0An, r = np.meshgrid(n, r)%0Az = (1+r)**n%0Az = np.log(z)%0Asurf = ax.plot_surface(n, r, z, rstride=1, cstride=1, cmap=cm.coolwarm,%0A                       linewidth=0, antialiased=False)%0Afig.colorbar(surf, shrink=0.5, aspect=5)%0Aplt.show()

add finance growth