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fib

fib(n) ;

Calculate

fib-makelist

f(n):= fib(n);

makelist(f(n),n,1,30);

primp(17);

Calculate

fib-sum

sum (fib(i)*fib(i+201...

Calculate

fib-sqrt

f(x,y):=x*y;

f(4,4);

fib(n):=1/sqrt(5)*(((...

Calculate

fib-sum

sum(fib(i)*fib(i+2017...

Calculate

fib

fib(80);

Calculate

fib-fibtophi

f(x,y,z):=5*fib(x)*fi...

f(10,20,15);

fibtophi(x+y-z);

Calculate

fib

fib(-4);

Calculate

fib-makelist

lucas(n) := fib(n-1) ...

a[0]: 1;

a[1]: 1;

Calculate

fib-pochhammer

pochhammer (5, 2);

fib(5);

Calculate

fib

Run Example
(%i1)fib(n) ;
(%o1)                               fib(n)
(%i2) 
Run Example
fib(80);
(%o1)                          23416728348467685
(%i2) 
Run Example
fib(31);
(%o1)                               1346269
(%i2) 

Related Help

Help for Fib