RosettaCodeData/Task/Factorial/Sinclair-ZX81-BASIC/factorial-2.basic
2023-07-01 13:44:08 -04:00

10 lines
145 B
Text

10 INPUT N
20 LET FACT=1
30 GOSUB 60
40 PRINT FACT
50 STOP
60 IF N=0 THEN RETURN
70 LET FACT=FACT*N
80 LET N=N-1
90 GOSUB 60
100 RETURN