update page now
International PHP Conference Berlin 2026

acosh

(PHP 4 >= 4.1.0, PHP 5, PHP 7, PHP 8)

acosh反双曲余弦

说明

acosh(float $num): float

返回 num 的反双曲余弦值,即其双曲余弦为 num 的那个值。

参数

num

要处理的值

返回值

num 反双曲余弦

参见

添加备注

用户贡献的备注

此页面尚无用户贡献的备注。
To Top

Follow Lee on X/Twitter - Father, Husband, Serial builder creating AI, crypto, games & web tools. We are friends :) AI Will Come To Life!

Check out: eBank.nz (Art Generator) | Netwrck.com (AI Tools) | Text-Generator.io (AI API) | BitBank.nz (Crypto AI) | ReadingTime (Kids Reading) | RewordGame | BigMultiplayerChess | WebFiddle | How.nz | Helix AI Assistant