IPA: /ˌmæθəˈmætɪkəl/
KK: /mæθəˈmætɪkəl/
Relating to the study of numbers, shapes, and patterns, often involving calculations and logical reasoning.
She has a strong mathematical ability, which helps her solve complex problems.
Mathematical → It is formed from "mathematics" (from Greek "mathematike", meaning the art of learning) and the suffix "-al" (meaning pertaining to). The word "mathematical" refers to something that pertains to the art or science of mathematics.
Think of the word 'mathematics' as the 'art of learning' and remember that 'mathematical' means related to that art.