## How to calculate Payback Period in Excel

Payback period in capital budgeting refers to the period of time required for the return on an investment to "repay" the sum of the original investment. For example, a \$1000 investment which returned \$500 per year would have a two year payback period. The time value of money is not taken into account.

## How to divide two arrays with SUMPRODUCT in Excel

Way back in 2008, I wrote about using SUMPRODUCT to duplicate the functionality of SUMIFS which was introduced in Microsoft Excel 2007. SUMPRODUCT is a powerful excel function and is more commonly used to multiply two arrays. Let's first understand the syntax of SUMPRODUCT.

## Excel Tutorial: INDEX MATCH primer

Two weeks, we looked at the syntax of VLOOKUP, INDEX and MATCH. Last weeks tutorial should have walked you through the basics of VLOOKUP. In this post, we'll use a similar file from the VLOOKUP tutorial to find a value from the table using INDEX and MATCH.

## Excel Tutorial: VLOOKUP primer

Last week, I introduced you to VLOOKUP, INDEX and MATCH. In this post, we'll use VLOOKUP to find a value from the table. Firstly, let's create the above table in Excel.

## Excel Tutorial: Introduction to VLOOKUP, INDEX and MATCH functions

Excel has several  lookup and reference functions. The main purposes of most of the plugins is to lookup some cell or cells from a set of data (usually presented in a table). Of these, the most popular ones are VLOOKUP, INDEX and MATCH.

## Recover MS Word and MS Excel password Easily

If you have lost your password for any MS Word or Excel document and are unable to recover it, try using this Free Word / Excel Password Recovery application. It's a freeware product and all you need to do is install it, open the file that you need to recover. Choose the character set "a to z" and the expected lenght of your password and click GO.

## Random Group Generator in Excel

One requirement that you will see as part of a classroom environment is the necessity to create groups. One option is to perform this process manually. This is OK if you have ten people.

## Excel Password Remover 2008 (Tool Thursday)

If you've forgotten the password to edit the Excel file Excel Password Remover 2008 can come to your rescue. Excel Password Remover is a FREE Excel add-in that removes/cracks sheet and workbook password protection in ExcelÂ®. This program will remove passwords of any length, also passwords containing special characters.

## Two Variable Data Tables in Microsoft Excel Tutorial

Three weeks back I covered creating Single Variable Data Tables in Excel. As promised, in this tutorial I will cover creating a two variable data table. This tutorial assumes that you have read the earlier one and are comfortable with creating a single variable data table.

## Data Tables in Excel tutorial

In my last Excel Tutorial, I covered using SUMIFS and SUMPRODUCT. Data Tables is also an advanced topic in Microsoft Excel that falls under the category of What-If Analysis. What-If or Sensitivity Analysis is carried out to study the variation of the output to changes in the input variable.