,PLUS OR ,M9US ,EXAMPLES #A4 ,N9E PLUS OR M9US TWO IS WRITT5 _% #9+-2 _: #B4 ,N9E PLUS OR M9US TWO " IS WRITT5 _% #9+"-2 _: #C4 A PLUS OR M9US ;B I IS WRITT5 _% A+-BI _: #D4 ,OP5 FRAC;N NEGATIVE ;B PLUS OR M9US ! SQU>E ROOT ( ;B SQU>$ M9US F\R A ;C 5D ROOT OV] TWO A CLOSE FRAC;N IS WRITT5 _% ?-B+->B^2"-4AC]/2A# _: #A