Definition of 等差級数 (とうさきゅうすう)
とうさきゅうすう
                        等差級数
とうさきゅうすう
tousakyuusuu
noun
•
        
arithmetic series
Related Kanji
| 等 | etc., and so forth, class (first), quality, equal, similar | 
| 差 | distinction, difference, variation, discrepancy, margin, balance | 
| 級 | class, rank, grade | 
| 数 | number, strength, fate, law, figures |