Excel uses formulas to perform calculations, which are written as mathematical problems. To create a formula, you should always begin by typing the equals (=) sign in the cell. Then you list the numbers or cells to use in the formula, along with the ...
There are 3 types of cell references in Excel. Relative Reference (default) =A1 Mixed Reference =$A1+A$2 Absolute Reference =$A$1+$A$2 Insert the dollar sign in front of the column letters if you are going to copy and paste your formula ...