arithmetician

arithmetic +‎ -ian

arithmetician (plural arithmeticians)

1. (now rare) One with expertise in arithmetic. A mathematician.
   • c. 1604, William Shakespeare, Othello, Act I, Scene 1,

     […] ‘Certes,’ says he,

     ‘I have already chose my officer.’

     And what was he?

     Forsooth, a great arithmetician […]

   • 1695, William Congreve, Love for Love, London: Jacob Tonson, Act IV, Scene 1, p. 59,

     […] it’s a Question that would puzzle an Arithmetician, if you should ask him, whether the Bible saves more Souls in Westminster-Abby, or damns more in Westminster-Hall […]

   • 1774, David Garrick, A Christmas Tale, Part II, Scene 1, p. 13,

     Bonoro. What said he?

     Tycho. That he would say but three words and follow me. I heard him say a hundred, and sing a thousand: Lovers are bad arithmeticians.

   • 1860, George Eliot, The Mill on the Floss, London: William Blackwood, Volume 1, Chapter 3, p. 33,

     You talk of figures, now; you have only to say to Stelling, ‘I want my son to be a thorough arithmetician,’ and you may leave the rest to him.