Cyrillic numerals are a numeral system derived from the Cyrillic script, developed in the First Bulgarian Empire in the late 10th century. It was used in the First Bulgarian Empire and by South and East Slavic peoples. The system was used in Russia as late as the early 18th century, when Peter the Great replaced it with Hindu numerals as part of his civil script reform initiative.

Bengali numerals (Bengali: সংখ্যা sôṅkhya, Assamese: সংখ্যা xoiŋkha), are the units of the numeral system, originating from the Indian subcontinent, used in Bengali, Sylheti, Chittagonian, Assamese, Bishnupriya Manipuri, Chakma, Hajong and Meithei languages. They are used by more than 350 million people around the world (over 5% of the population), and are a variety ...