{"Entry":{"collection":"func","key":"acosh","name":"acosh","aliases":[],"metadata":{"changed_in":[],"changes":[{"descriptions_changed":false,"doc_overhaul":false,"from":"11","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"added","to":"12"},{"descriptions_changed":false,"doc_overhaul":true,"from":"12","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","to":"13"}],"content_hash":"0e50cf5d9f248385c8be585b91f608e0a0254fdc50d26c04a7d961cf9777c0e9","first_version":"12","group":"math","group_label":"Mathematical Functions And Operators","groups":["math"],"imported_at":"2026-09-14T21:49:48.611801+08:00","last_version":"20","name":"acosh","name_key":"acosh","position":2003,"present_in":["12","13","14","15","16","17","18","19","20"],"signature":"acosh ( double precision ) → double precision","signature_count":1,"slug":"acosh","source_rev":"2026-09-14T13:14:25.684213+00:00@99e6866c","summary":"Inverse hyperbolic cosine","summary_zh":""}},"Definition":{"Collection":"func","Key":"acosh","SourceDatabase":"center","Version":"18","SourceTable":"func","SourceKey":"acosh","SourceRevision":"2026-09-14T13:14:25.684213+00:00@99e6866c","Facts":{"description":"Inverse hyperbolic cosine","description_html":"Inverse hyperbolic cosine","description_zh":"","description_zh_html":"","doc":{"anchor":"FUNCTIONS-MATH-HYP-TABLE","file":"functions-math.html","slug":"18"},"group":"math","group_label":"Mathematical Functions And Operators","lang":"en","layout":"table-new","pages":["functions-math.html"],"prose_only":false,"signatures":[{"description":"Inverse hyperbolic cosine","description_html":"Inverse hyperbolic cosine","description_zh":"","description_zh_html":"","examples":[{"expr":"acosh(1)","result":"0"}],"html":"\u003ccode class=\"function\"\u003eacosh\u003c/code\u003e ( \u003ccode class=\"type\"\u003edouble precision\u003c/code\u003e ) → \u003ccode class=\"returnvalue\"\u003edouble precision\u003c/code\u003e","returns":"double precision","text":"acosh ( double precision ) → double precision","zh_from":""}],"zh_from":""},"ManualEvidence":{"doc":{"anchor":"FUNCTIONS-MATH-HYP-TABLE","file":"functions-math.html","slug":"18"}},"MeasuredEvidence":{}},"Text":{"Collection":"func","Key":"acosh","SourceDatabase":"pgweb","Version":"18","Locale":"zh-Hans","Title":"acosh","Summary":"反双曲余弦","BodyHTML":"反双曲余弦\u003cpre\u003eacosh ( double precision ) → double precision\u003c/pre\u003e反双曲余弦","SourceRevision":"2026-09-12T08:18:26.491985+00:00@e2a86b52","ContentHash":"17b4f23337b4a18412b369acefff8de2d7ae5018d6a5f295b3fa6b61c48ef7b7","Payload":{"description_zh":"反双曲余弦","description_zh_html":"反双曲余弦","signatures":[{"description_zh":"反双曲余弦","description_zh_html":"反双曲余弦","returns":"double precision","text":"acosh ( double precision ) → double precision","zh_from":"doc"}],"zh_from":"doc"}},"RequestedLocale":"zh-Hans","Fallback":false,"Versions":["12","13","14","15","16","17","18","19","20"],"Locales":["en","zh-Hans"],"Signatures":[{"Version":"18","Ordinal":0,"Hash":"b5cde7501967a4a97047705832ecb34e0f9cb30a91bb2fddaea32ae27b0cfdf0","Text":"acosh ( double precision ) → double precision","Returns":"double precision","Payload":{"description":"Inverse hyperbolic cosine","description_html":"Inverse hyperbolic cosine","description_zh":"","description_zh_html":"","examples":[{"expr":"acosh(1)","result":"0"}],"html":"\u003ccode class=\"function\"\u003eacosh\u003c/code\u003e ( \u003ccode class=\"type\"\u003edouble precision\u003c/code\u003e ) → \u003ccode class=\"returnvalue\"\u003edouble precision\u003c/code\u003e","returns":"double precision","text":"acosh ( double precision ) → double precision","zh_from":""}}],"Spellings":null,"SQLState":null,"Evidence":null}
