Choose either available stake (where you want to stake a fixed amount) or Target Profit (where you want to make a specific profit).
Enter your stake or target amount.
Enter prices in decimal odds in the 1st column for each selection you want to bet.
Make sure you click away from the last runner before clicking the Calculate button.
To work out decimal odds from fractional divide the right number into the left and add 1.
EG 13/8 = 13 divided by 8 = 1.625 + 1 = 2.625