atan2 - Wikipedia
Four-quadrant inverse tangent - MATLAB atan2
Excel ATAN2 Function
Use atan2 function instead of atan - EasyHack - LibreOffice Development Blog
Calculating Swirl and Tumble – EnSight Support by CEI
ATAN2 examp - YouTube
Eddie's Math and Calculator Blog: ATAN2 using tan^-1 and angle/ARG (Various Calculators)
ATAN2 examp - YouTube
atan2 (yx) — Blog — open.gis.lab
atan2 - Wikipedia
mathematics - Using atan2 to calculate angle between two vectors - Game Development Stack Exchange
Online calculator: Two arguments arctangent
Excel ATAN2 function | Exceljet
atan2 - YouTube
The Universe of Discourse : Calculating π with atan2()
Use atan2 function instead of atan - EasyHack - LibreOffice Development Blog
Calculator: Add uniform support for atan, atan2 · Issue #4709 · duckduckgo/zeroclickinfo-goodies · GitHub
trigonometry - Calculating angles between line segments (Python) with math. atan2 - Stack Overflow
Excel ATAN function | Exceljet
javascript - Using atan2 with offset circle - Stack Overflow
atan2 - Wikiwand
math - How to use atan2() in combination with other Radian angle systems - Stack Overflow
