Dr Vesife Hatisaru took a look at one of the hardest questions from this year’s mathematics specialist exam, which focused on complex numbers.

At 12:10 p.m. on the 13th, the math section, the second period of the 2026 College Scholastic Ability Test (CSAT), ended. The CSAT question-setting headquarters issued References on the direction of ...

Have you ever sat in a math classroom and wondered, “When will I ever use this?” You might have asked yourself this question when you first encountered “imaginary” numbers, and with good reason: What ...