This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Sine. This image was made using Michael Gruber's conformal py gimp plugin available at tuchemnitz de en Jayantanth CommonsHelper Tryptographer en Tryptographer Original upload log page en Sine Tryptographer bytes no image was made using Michael Gruber's conformal py gimp plugin available at tuchemnitz de Complex color