hypercalculia
mathemagician
numeracy
cyphering
superproficiency
decathlon
masterstroke
numericist
philomathematical
dyscalculia
genius
wizardry
mind like a steel trap
overbrilliance
talentedly
overachiever
superproficient
hyperproficient
mathematician
statistician
artistry
down to a fine art
stupendously
superintellect
adeptly
smoking
mathematical statistician
hyperachievement
multiprecision
overgeniality
multitalents
hypertalented
arithmetician
superingenuity
mathemic
numerate
MMath
superability
mathematicistic
mathematization
bad beat
hyperingenuity
overaccomplishment
mathmo
dab-handed
hyperintelligence
mathematicality
math teacher
hit one out of the ballpark
masterpiece