ATAN

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The ATAN of accu 1 is calculated and stored in accu 1 in radiant.

 

It is important that the operand in accu 1 is already in the REAL-format. If it is loaded as Int or DInt it will have to be changed into a REAL-number with DTR before calculating. If an operand that is loaded as Int can be negative it will also have to be extended to the Dword-format with ITD before.

 

ATAN(-infinite)

= - Pi / 2 ( Pi = 3,141592...)

ATAN(0)

= 0

ATAN(infinite)

= Pi / 2 ( Pi = 3,141592...)

 

See also:

SIN

ASIN

COS

ACOS

TAN

 

List of operations