小無聊一下，不過真的很強大……

@ECHO OFF SETLOCAL SET X=10 CALL :Fib %X% YECHO Fib^(%X%^)=%Y%GOTO :EOF :Fib [In]X [Out]ResultSETLOCALSET A=%1SET D=1SET E=0 IF %A% LEQ 1 (  GOTO FibRet) SET /A B=%A%-1SET /A C=%A%-2CALL :Fib %B% DCALL :Fib %C% E :FibRetENDLOCAL & SET /A %2=%D%+%E% & GOTO :EOF

輸出是“Fib(10)=89”