mathematical principle; mathematics
Refers to the theoretical or logical foundation of mathematics, often used in academic or formal contexts.
He is absorbed in the study of mathematical principles.
arithmetic; figures; accounts
Practical use for calculation, numbers, or financial accounts; less common than 計算 or 算数 in everyday speech.
The accounting department deals with figures every day.
philosophy of mathematics; mathematical philosophy
mathematical engineering
mathematical science
mathematical morphology
mathematical physics
Compound of 数 (number) and 理 (principle, logic). The exact historical derivation is uncertain, but the combination naturally yields the meaning 'mathematical principle'.