How old was the man for whom Āryabhaṭa numeration is named when he wrote Āryabhaṭīya?
Āryabhaṭa numeration The Āryabhaṭa numeration is a system of numerals based on Sanskrit phonemes. It was introduced in the early 6th century in India by Āryabhaṭa, in the first chapter titled "Gītika Padam" of his "Aryabhatiya". It attributes a numerical value to each syllable of the form consonant+vowel possible in Sanskrit phonology, from "ka " = 1 up to "hau " = 10.
Dwijendranath Tagore Dwijendranath Tagore (Bengali: দ্বিজেন্দ্রনাথ ঠাকুর ) (11 March 1840 – 19 January 1926) was an Indian poet, song composer, philosopher, mathematician, and a pioneer in Bengali shorthand and musical notations.