,SUMMA;N ,NOTA;N ,EXAMPLES "<,US+ ,SUBSCRIPT & ,SUP]SCRIPT"> #A4 ,! SUM F ;N EQUALS "O TO ?REE ( TWO ;N M9US "O IS WRITT5 _% .,S;N ;.K #1^3"2N-1 _: #B4 ,! SUM F ;K EQUALS "O TO T5 ( FIVE EQUALS FIFTY IS WRITT5 _% .,S;K ;.K #1^10"5 .K #50 _: #C4 ,! SUM F ;N EQUALS TWO TO F\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_# _: #D4 ,! SUM F I EQUALS "O TO 9F9;Y ( T5 OP5 P>5!SIS "O-HALF CLOSE P>5!SIS TO ! ;N M9US #A P[] EQUALS TW5TY IS WRITT5 _% .,S;I ;.K #1^,="10(?1/2#)^N-1 .K #20 _: #A #E4 ,! SUM F I EQUALS "O TO ;N ( ;X SUB I IS WRITT5 _% .,S;I ;.K #1^N"X;I _: #B