> A calculator is more consistent and faster at calculating than I am, but I still need to understand how to multiply, divide, add, and subtract.. Exactly. If

> A calculator is more consistent and faster at calculating than I am, but I still need to understand how to multiply, divide, add, and subtract.. Exactly. If the calculator knows what to do and how to do, you just need to be able to specify a high level goal, instead of worrying about whether to add or multiply.