🌐日本語EnglishDeutschEspañolFrançaisفارسی한국어中文日本語EntityQ849591· pop 7· linked from 20 articles拡張指数緩和mathematical function common in physicsAvailable in 7 languagesEspañolFrançaisDeutschHungarianفارسی한국어via Wikidata sitelinks · CC0ConnectionsGradshteyn and RyzhikEntityInternational Standard Book NumberEntityCategoriesExponentials