get "libhdr"
let fib(n) = n<=1 -> n, valof
$( let a=0 and b=1
for i=2 to n
$( let c=a
a := b
b := a+c
$)
resultis b
let start() be
for i=0 to 10 do
writef("F_%N*T= %N*N", i, fib(i))