,L[]CASE ,PI ,EXAMPLES

#1_4 ,L[]CASE PI IS WRITT5 .P
#2_4 ;,C EQUALS TWO PI ;R IS
  WRITT5 ,C .K #2.PR
#3_4 ,OP5 FRAC;N FIVE PI OV] SIX
  CLOSE FRAC;N IS WRITT5 ?5.P/6#

















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