1 REM https://rosettacode.org/wiki/Fibonacci_sequence 10 LET a = 1 20 LET b = 1 30 REM loop 40 LET s = a + b 50 LET a = b 60 LET b = s 70 LET i = i + 1 80 PRINT s 90 IF i < 20 THEN 30 Return to Example Index