,UPP]CASE ,SIGMA ,EXAMPLES

#A4 ,UPP]CASE SIGMA IS WRITT5
  _% .,S _:
#B4 ,! SUM I EQUALS "O TO FIVE (
  F\R I M9US TWO IS WRITT5
  _% ".,S%I .K #1<5]4I-2 _:
#C4 ,L[]CASE SIGMA EQUALS !
  SQU>E ROOT ( OP5 FRAC;N
  UPP]CASE SIGMA OP5 P>5!SIS ;X
  M9US ;X B> CLOSE P>5!SIS SQU>$
  OV] ;N M9US #A IS WRITT5
  _% .S .K >?.,S(X-X:)^2"/N-1#]
  _:










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