等差級数 (とうさきゅうすう) Japanese meaning | KotomoraMeanings
1
noun
arithmetic series
Mathematical term for a sequence where the difference between consecutive terms is constant. Also called 算術級数.
etc., and so forth, class (first)
差distinction, difference, variation Similar words
- 等差数列
等差数列 (arithmetic progression) refers to the sequence itself, while 等差級数 (arithmetic series) often refers to the sum of the terms.
- 等比級数
等比級数 (geometric series) is a series where each term is multiplied by a constant ratio, as opposed to the constant difference in an arithmetic series.
Etymology
Compound of 等差 (equal difference) and 級数 (series). The term is a direct calque from the English 'arithmetic series'.