你即將離開本站

並前往https://www.gnu.org/software/libc/manual/html_node/Mathematical-Constants.html

Mathematical Constants (The GNU C Library)

Pi, the ratio of a circle's circumference to its diameter. M_PI_2. Pi divided by two. M_PI_4. Pi divided by four.

確定！ 回上一頁

查詢 「C++ pi」的人也找了：