< ATAN2(a1,a2) < ATAN2(a1,a2) > 0 if a1 > 0
ATAN2(a1,a2) = 0 if a1 = 0, a2 > 0
ATAN2(a1,a2) =
if a1 = 0, a2 < 0ATAN2(a1,a2) < 0 if a1 < 0
ABS(ATAN2(a1,a2))=
/2 if a2 = 0ATAN2(a1,a2) undefined if a1 = 0, and a2 = 0
The ATAN2 function expression returns the arc tangent of the expression a1/a2. a1 and a2 themselves can be expressions.
- < ATAN2(a1,a2) <
ATAN2(a1,a2) > 0 if a1 > 0
ATAN2(a1,a2) = 0 if a1 = 0, a2 > 0
ATAN2(a1,a2) = if a1 = 0, a2 < 0
ATAN2(a1,a2) < 0 if a1 < 0
ABS(ATAN2(a1,a2))= /2 if a2 = 0
ATAN2(a1,a2) undefined if a1 = 0, and a2 = 0
ATAN2(a1,a2)
| a1 | Any valid function expression. |
| a2 | Any valid function expression. |
ATAN2(DY(21,31,41), DX(21,31,41))
This function shows the arc tangent (in radians) of the expression a/b.