,SUMM,N ,NOT,N ,EXAMPLES
      7,US+ ,DIRECTLY ,OV]
             & ,"U7

#1_4 ,! SUM F ;N EQUALS "O 6?REE
  ( TWO ;N M9US "O IS WRITT5
  ".,S%N .K #1<3]2N-1
#2_4 ,! SUM F ;K EQUALS "O 6T5 (
  FIVE EQUALS FIFTY IS WRITT5
  ".,S%K .K #1<10]5 .K #50
#3_4 ,! SUM F ;N EQUALS TWO 6F\R
  ( OP5 FRAC;N "O OV] ;N M9US "O
  CLOSE FRAC;N EQUALS "O &
  FIVE-SIX?S IS WRITT5 ".,S%N
  .K #2<4]?1/N-1# .K #1_?5/6_#
#4_4 ,! SUM F ;I EQUALS "O
  69F9;Y ( T5 OP5 P>5!SIS
  "O-HALF CLOSE P>5!SIS 6! ;N
  M9US #1 P[] EQUALS TW5TY IS
  WRITT5 ".,S%I
  .K #1<,=]10(?1/2#)^N-1 .K #20
#5_4 ,! SUM F ;I EQUALS "O 6;N (
  ;X SUB ;I IS WRITT5
  ".,S%I .K #1<N]X;I
                              #A