Graduates penning article pronounced artist to be calculating individual (13)
I believe the answer is:
mathematician
'individual' is the definition.
(mathematician is a kind of individual)
'graduates penning article pronounced artist to be calculating' is the wordplay.
I cannot quite see how this works, but
'article' could be 'the' (the definite article) and 'the' is located in the answer.
'graduates' could be 'mama' (more than one holder of a Master of Arts degree) and 'mama' is found in the leftover letters.
This may be the basis of the clue (or it may be nonsense).
Can you help me to learn more?
(Other definitions for mathematician that I've seen before include "Eg, Euclid, Fermat or seven down" , "Number specialist" , "Eg, Leonhard Euler" , "Dealer in numbers" , "student engaged with combinatorics?" .)