RosettaCodeData/Task/Fibonacci-sequence/FOCAL/fibonacci-sequence.focal

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01.10 TYPE "FIBONACCI NUMBERS" !
01.20 ASK "N =", N
01.30 SET A=0
01.40 SET B=1
01.50 FOR I=2,N; DO 2.0
01.60 TYPE "F(N) ", %8, B, !
01.70 QUIT
02.10 SET T=B
02.20 SET B=A+B
02.30 SET A=T