Graph Software for Scientists and Engineers

ATAN(x)

Returns the arctangent, or inverse tangent, of the given number. The result will be in radians or degrees, depending on the Angles options. With "degrees" selected, atan(1) returns 45.

y=atan(x)

See also:

ACOS
ASIN
ATAN2
TAN
Trigonometric and General Math Functions

$
195.
00
 
RUNS ON
Windows 10,
Windows 8,
Windows 7, 2008,
Vista, XP, NT,
ME, 2003, 2000,
Windows 98, 95
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