On Wed, 30 Sep 2015 10:14 Laura Creighton <l...@openend.se> wrote: In a message of Wed, 30 Sep 2015 09:12:20 +0300, Michel Guirguis writes: >Good afternoon, > >How to calculate the cumulative normal distribution function CND in order to use this figure to calculate the call option based on the Black and Scholes model.
The easy way is to install scipy Michel, It sounds like you probably do want to install scipy for the work that you're doing and Laura's correct that anaconda is the easiest way to do that. However I want to point out that your specific problem is easily solved with the stdlib. The CDF of the standard normal distribution is easily expressed in terms of the error function erf which is available in the math module: fron math import erf def phi(z): return 0.5 * (1 + erf(z)) -- Oscar _______________________________________________ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: https://mail.python.org/mailman/listinfo/tutor