The first Fibonacci numbers are:
0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, 1597,
2584 …
1.In cell A2 type a zero ( 0 ) and press the Enter key.
2.In cell B2 type a 1 and press the Enter key.
3.In cell C2 type the formula =A2 + B2 and press the Enter key.
4.Click on cell C2
To copy the formula to the adjacent cells:
5.Place the mouse pointer over the fill handle in the bottom right
corner of cell C2.
6.Hold down the mouse button on the fill handle and drag to the right
to cell S2.
7.S2 should contain the number 2584.
8.To continue the Fibonacci numbers, continue dragging to the right
with the fill handle.
alternatively try this link:
http://tinyurl.com/3a4cvqq
all the best