'' examples/manual/math/atn.bas
''
'' Example extracted from the FreeBASIC Manual
'' from topic 'ATN'
''
'' See Also: https://www.freebasic.net/wiki/wikka.php?wakka=KeyPgAtn
'' --------

Print "Pi ="; Atn ( 1.0 ) * 4
Print Atn ( 4 / 5 )
