How to get rid of calculator screen?

[OGS802]

If I attach a modifier set to an item, when the item is selected a calculator screen pops up and I have to hit the red plus sign on the calculator to get to the actual item selection screen. How do I eliminate that useless step?

[Goldneye]

HI, are you asking about the Shopping Cart popup? 

This function is part of the Shopping Cart which gives the customer the option of completing the purchase or continue shopping.