Ultimate and Twice the Penultimate Vedic Sutra -Sopantyadvayamantyam Info Post Uma Anandane January 07, 2012 6 comments Sopantyadvayamantyam Ultimate and Twice the Penultimate Vedic Maths The Ultimate and Twice the Penultimate also known as ' Sopantyadvayamantyam " is the Thirteenth sutra in the Vedic Maths and it he...