Complex sentence: Gregory's series, also known as Leibniz's series, is a mathematical series that James Gregory published in 1668.It is now known as Madhava-Gregory Series.Indian mathematician Madhava of Sangamagrama invented this series centuries before James Gregory.
Split into simpler sentences: Gregory's series, also known as Leibniz's series, is a mathematical series that James Gregory published in 1668. The Indian mathematician Madhava of Sangamagrama invented this series centuries before James Gregory.