A formula is an expression which calculates the value of a cell. To subtract use the - sign. To divide use the sign.
The steps used to enter the IFOR formula in cell B4 are as follows.
Cut the MATCH formula for Height and replace the 2 with it. Below is a short video tutorial on how to combine the two functions and effectively use Index Match in Excel. For example cell A3 below contains the SUM function which calculates the sum of the range A1A2. Cut the MATCH formula for Height and replace the 2 with it.