# How to compute the values of this function ? ( Fabius function )

How to compute the values of this function ? ( Fabius function ) It is said not to be analytic but $C^\infty$ everywhere. But I do not even know how to compute its values. Im confused. Here is the link : http://www.math.osu.edu/~edgar.2/selfdiff/

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Related, containing multiple answers: math.stackexchange.com/q/240687/49989 - in fact, my question is your answer and sort of vice-versa. –  kram1032 Nov 25 '12 at 1:17