mathematicaladjective
uk/ˌmæθˈmæt.ɪ.kəl/us/-ˈmæt̬-/B2 relating to mathematics:
a mathematical formula
a mathematical equation/problem/calculation
a mathematical genius (= a person who is exceptionally good at mathematics)
They claim 65% of people agree and 45% disagree - a mathematical impossibility.
mathematically
adverb uk/ˌmæθˈmæt.ɪ.kəl.i/us/-ˈmæt̬-/
You can work it out mathematically.
Mathematically, it doesn't seem possible.