August 2001
Intermediate to advanced
656 pages
18h 5m
English
Content preview from VB .NET Language in a NutshellBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Name
Atan2 Function
Class
System.Math
Syntax
Math.Atan2(y, x)-
x Use: Required
Data Type: Double
The x coordinate of a point
-
y Use: Required
Data Type: Double
The y coordinate of a point
Return Value
A Double that is the arctangent of the ratio x/y, in radians
Description
Returns the angle in the Cartesian plane formed by the x-axis and a
vector starting from the origin (0,0) and terminating at the point
(x, y). More specifically, the return value
q satisfies the following:
For (x, y) in quadrant 1, 0 < q < pi/2.
For (x, y) in quadrant 2, pi /2 < q < pi.
For ( x, y) in quadrant 3, -pi < q < -pi /2.
For ( x, y) in quadrant 4, -pi /2 < q < 0.
Rules at a Glance
This is a Shared member, so it can be used without creating any objects.
VB .NET/VB 6 Differences
The Atan2 function does not exist in VB 6.
See Also
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.