.\" This file was generated with po4a. Translate the source file.
.\"
.\"*******************************************************************
+.\"
+.\" Japanese Version Copyright (c) 1996 Kenji Kajiwara and Kentaro Ogawa
+.\" all rights reserved.
+.\" Translated Sat, 13 Jul 1996 17:50:45 JST
+.\" by Kenji Kajiwara and Kentaro Ogawa
+.\" Proof Reading: Takashi Yoshino
+.\" Updated Tue Aug 5 23:16:48 JST 2003
+.\" by Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>
+.\" Updated 2008-09-15, Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>
+.\"
.TH ATAN2 3 2010\-09\-20 "" "Linux Programmer's Manual"
.SH 名前
atan2, atan2f, atan2l \- 二つの変数に対する逆正接(arc tangent)関数