Pi/zh CN

From Lazarus wiki
Revision as of 06:58, 11 December 2013 by Wangyouworld (talk | contribs) (Created page with "Pi是圆的周长与直径的比值。 Pi是大约3.14159265358979。 一个完整圆弧度是2*pi。 Pi为Pascal的一个函数,它返回圆...")
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigationJump to search
The printable version is no longer supported and may have rendering errors. Please update your browser bookmarks and please use the default browser print function instead.

Pi是圆的周长与直径的比值。 Pi是大约3.14159265358979。

一个完整圆弧度是2*pi。

Pi为Pascal的一个函数,它返回圆周率的值。

pi/4 近似于 arctan(1)。

参见