A seasonal index is a way of measuring the seasonal variation -- that is, to measure the change that is due to seasonal changes in demand -- of a variable, typically sales. For example, a beachfront ...

Use index sheets to quickly navigate in an Excel workbook Your email has been sent Navigating through dozens of sheet name tabs in Microsoft Excel to find the one you need can be quite time consuming.

Excel might be the world's most widely used programming language; Microsoft is on a journey to turn it into a better and more powerful programming language, without losing what makes it Excel.

An curved arrow pointing right. Once you have mastered VLOOKUP in Excel it's time to move on to INDEX/MATCH. This formula combination gives the same results but without the problems of VLOOKUP.