; ATan example Const width = 640, height = 480 Graphics width, height Local T#, AT# ; Tan and ATan zero# = 0 Print " T ATan( T )" Print "=======================" ; First, an extreme case... T# = 1 / zero ; +Infinity AT = ATan( T ) Print RSet(T, 10) + RSet( AT, 11) ; Now, back to normal usage... For n = -10 To 10 T = Sgn( n ) * n * n AT = ATan( T ) Print RSet(T, 10) + RSet( AT, 11) Next ; Finally, another extreme case. T# = -1 / zero ; -Infinity AT = ATan( T ) Print RSet(T, 10) + RSet( AT, 11) WaitKey() : End