资料来源 : pyDict

算术家

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Arithmetician \A*rith`me*ti"cian\, n. [Cf. F. arithm['e]ticien.]
   One skilled in arithmetic.

资料来源 : WordNet®

arithmetician
     n : someone who specializes in arithmetic