ArcTan[x,y]

*Subject*: [mg3347] ArcTan[x,y]*From*: billf at math.concordia.edmonton.ab.ca (Bill Freed)*Date*: 29 Feb 1996 09:14:16 -0600*Approved*: usenet@wri.com*Distribution*: local*Newsgroups*: wri.mathgroup*Organization*: Wolfram Research, Inc.*Sender*: daemon at wri.com

I am writing an article for a math education journal about the conversion to and from polar coordinates. It would be useful to know how the function ArcTan[x,y] is defined in Mathematica- by a single formula, a Which statement or whatever? A rough description or the Mathematica code would do. Thanks, William Freed billf at math.concordia.edmonton.ab.ca