History of Grandi's series
= History of Grandi's series
{wiki=History_of_Grandi's_series}
Grandi's series is an infinite series given by: \\\[ S = 1 - 1 + 1 - 1 + 1 - 1 + \\ldots \\\] This sequence alternates between 1 and -1. The series was named after the Italian mathematician Francesco Grandi, who studied this series in the early 18th century. \#\#\# History and Development 1.