arithmetician:
(plural: ‘arithmeticians‘)
‘arithmetic’/’arithmetics’ = a division of mathematics — addition, multiplication and division of numbers; the other divisions are: algebra, geometry, trigonometry and calculus
a person who is an expert or who studies arithmetic; a statistician,

Carol Vorderman, arithmetician, Countdown mathematics TV Show
e.g.
An arithmetician deals with numbers — additions, subtractions, multiplications, etc., in simple the use of numbers in calculations, and a mathematician deals with the relationships between numbers, shapes and quantities in theory, using signs, symbols and proofs.
There are several books available in our school library for the young arithmeticians who are in the process of learning arithmetic tables.
Compare: mathematician
For an informative article on the difference between an arithmetician and a mathematician, please click here.
