These gave results correct to 1 second of arc but were not too practical as the series converged slowly. However this work was important in that it contained the beginnings of functional analysis .
Ibinigay ang mga resulta ng tama sa 1 segundo ng Arc ngunit hindi masyadong praktikal na bilang ng serye converged dahan-dahan. Subalit ito ay mahalaga sa trabaho na ito ay naglalaman ng masimulan ng functional analysis.