Hi Oz Punter

On your spreadsheet in cell A2 type in the following:

=B2*(B2*C2-1)*(D2+1)/(B2+1)

If you type 5 in cell B2 and C2 and D2 it should give you 120

Cheers
ubetido

__________________
Life should NOT be a journey to the grave with the intention of arriving safely in an attractive and well preserved body,but rather to skid in sideways, BEER in one hand- PIZZA in the other, body thoroughly used up, totally worn out and screaming WOO HOO!