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:
Sakhqs Book of Arithmetic WDL. Artwork ru ' fr Sayid Abd alQdir Al alSakhw en Sayid Abd alQdir Al alSakhw zh Sayid Abd alQdir Al alSakhw pt Sayid Abd alQdir Al alSakhw ar es Sayid Abd alQdir Al alSakhw ru fr Livre de Sakhq d'arithmtique en Sakhq Book of Arithmetic zh Sakhq pt Livro Sakhq de Arimtica ar ru fr