Mathematical term for the operation of adding numbers or quantities. Often contrasted with 減法 (subtraction), 乗法 (multiplication), and 除法 (division).
Addition and subtraction are basic calculation methods learned in elementary school.
additive
additive group
trigonometric addition formulas
additive color mixing
From 加 (add) + 法 (method, law). A Sino-Japanese term used in mathematics to denote the operation of addition.