Formula and Function
... Formula ¡V It is used to calculate the number values input in the cells in an Excel file. ... It works the same as the numerical formula for Mathematics. ... a)How does a formula start? A formula is started with an equal sign ¡§=¡¨. Without, a formula would not begin. ... Function ¡V It is used to simplify formula in case it is too long. ... a)What is the different between formula and function? A formula is different from function that a formula only contains mathematical variables +, -, * and /.