Excel tutorial functions and formulas. Formula is an expression that calculates values in a cell or in a range of cells. Click on the video below for a full tutorial. For example cell a3 below contains a formula which adds the value of cell a2 to the value of cell a1. So that means if you are calculating something in excel you use formulas and use functions within your formulas.
A function is a piece of code designed to calculate certain values. Well that is quite simple. For example a1a2a3 which finds the sum of the range of values from cell a1 to cell a3. An example of a formula made up of discrete values like 63.
Function is a predefined formula already available in excel. For example cell a3 below contains the sum function which calculates the sum of the range a1a2. A formula is an expression which calculates the value of a cell. A formula on the other hand can contain values references to cells and functions.
Remember all excel functions and formulas start with the sign. For example a2a2a3a4 is a formula that adds up the values in cells a2 through a4. Excel if function.