FCL, aka Flow chart language, is a programming language created in 1989.
#2528on PLDB | 35Years Old |
(n)
(init)
init: x1 = 1
x2 = 1
fib: x1 = x1 + x2
t = x1
x1 = x2
x2 = t
n = -(n 1)
if >(n 2) then fib else exit
exit: return x2