Fibonacci sequence: Difference between revisions

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m (→‎{{header|REXX}}: used simpler/shorter statements)
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Fibonacci(10000) has a length of 2090 decimal digits
</pre>
 
=={{header|Ring}}==
<lang ring>
give n
x = fib(n)
see n + " Fibonacci is : " + x
 
func fib nr if nr = 0 return 0 ok
if nr = 1 return 1 ok
if nr > 1 return fib(nr-1) + fib(nr-2) ok
</lang>
 
=={{header|Ruby}}==
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