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Returns in radians the arc tangent of a numeric expression.
ATAN(nExpression) |
Parameters
- nExpression
- Specifies a numeric expression whose arc tangent ATAN( ) returns. nExpression can be any value. The value returned by ATAN( ) can range from –pi/2 through +pi/2 (–1.57079 to 1.57079). The number of decimal places displayed in the value returned by ATAN( ) is determined by SET DECIMALS.
Return Value
Numeric
Remarks
Use RTOD(В ) to convert radians to degrees.
Example
| В |  Copy Code |
|---|---|
CLEAR ? ATAN(0) && Displays 0.00 STORE PI( )/2 to gnAngle ? ATAN(gnAngle) && Displays 1.00 ? ATAN(PI( )/2) && Displays 1.00 ? ATAN(DTOR(90)) && Displays 1.00 | |