Nï ruɔn cïï lɔ ruunë 17th ye cɔl (17th century), raan cɔl James Gregory acïï lui nï taan bennë kämde ka cikke caakɣic nï yuup yennë ka waacɣic ku jɔl kakɔk caak bennëya lui cïtmaanë Maclaurin Series ye cɔl nï thɔŋë lïŋlïthɣic.