1. On the menu bar, click on `Insert'. Select `Function'. A new window with a list of functions will appear.

2. From the functions list, select `Statistical'. For function name, select `Binomdist'.

3. Enter the following arguments for Binomdist:

`Number_s' is the number of successes (x)

`Trials' is the number of trials (n)

`Probability_s' is the probability of success (p)

`Cumulative' is a logical value. Type `true' if you want a cumulative

probability (P[X<=x]). Type `false' if you want an exact

probability (P[X=x]).

4. Click `OK'. The result will be printed on the cell where your cursor was last located.