RosettaCodeData/Task/Ackermann-function/BBC-BASIC/ackermann-function.basic

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2023-07-01 11:58:00 -04:00
PRINT FNackermann(3, 7)
END
DEF FNackermann(M%, N%)
IF M% = 0 THEN = N% + 1
IF N% = 0 THEN = FNackermann(M% - 1, 1)
= FNackermann(M% - 1, FNackermann(M%, N%-1))