ATAN2 Function in Excel: Syntax, Examples and Free Practice
ATAN2 is an Excel Math & Trig function. Returns the arctangent from x and y coordinates.
ATAN2 syntax
=ATAN2(x_num, y_num)
Arguments
x_num: The complex number's real party_num: The complex number's imaginary part
When to use ATAN2
ATAN2 is used in financial models and engineering-style calculations where precise numeric work is needed.
Practice ATAN2 online, free
Open the live Excel-style spreadsheet and try ATAN2 yourself. No Excel install or sign-up needed to start.
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Frequently asked questions
What does the ATAN2 function do in Excel?
Returns the arctangent from x and y coordinates.
What is the syntax of ATAN2 in Excel?
The syntax is =ATAN2(x_num, y_num). x_num: The complex number's real part; y_num: The complex number's imaginary part.
Where can I practice ATAN2 online for free?
Open the free live spreadsheet on Cellgrids and try ATAN2 yourself. No Excel install is needed and you can start without signing up.
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