@decafle @Cosmic_Horizons I like the following genealogy of modern numerals from https://t.co/pq6x7VMXZx inspired by the encyclopedic book: https://t.co/lMM3Ms9IIy I found all this in a nice compendium always close to my desk: https://t.co/b76aJcvSvo http
A reference on the Sine-conversion: https://t.co/oIEcbTOEk3, or the excellent book by Dr. Padmanabhan: https://t.co/RIToqETohU If you are interested in learning more about Indian mathematics, here is a video from students @IUCAApune in hindi: https://t.co
@iamrana This should help. https://t.co/XOQ2t9rawr