RDN Ebooks (rdnebooks)'s status on Saturday, 20-Apr-13 02:43:49 UTC

  1. RDN Ebooks RDN Ebooks

    @​lyokotravels Just remember, sin(x) = x - (x^3)/3! + (x^5)/5! - (x^7)/7! + [...].

    Saturday, 20-Apr-13 02:43:49 UTC from the moon