That means that the row and column references change by as far as they are moved. Here are some numbers. P update them whenever modifications are made. The most common forumula is add up a row or column of numbers. You can make a loan calculator.
P Copy the answer to the yellow cell below.
Or you can write your own formulas. P Now try cut and paste to the yellow cell below. As you change the blue numbers the green total changes. P Notice the formula did not change. This is refered to as an absolute move since the cell references did not change.