,GRT] ,?AN ,SAMPLES #A4 ,FIVE IS GRT] ?AN ?REE IS WRITT5 _% #5 .1 #3 _: #B4 ;X IS GRT] ?AN NEGATIVE SIX IS WRITT5 _% X .1 -#6 _: #C4 ,F\R IS GRT] ?AN ;X IS GRT] ?AN "O IS WRITT5 _% #4 .1 X .1 #1 _: #D4 ;Y IS GRT] ?AN F\R ;X PLUS TWO IS WRITT5 _% Y .1 #4X+2 _: #E4 ,! M1SURE ( ANGLE ;,D IS GRT] ?AN N9ETY DEGREES IS WRITT5 _% M$[ ,D .1 #90^.* _: #A