The TRIM function returns a string with extra spaces, starting spaces and ending spaces removed. The CLEAN function removes nonprintable characters from a string. 1. For example, cell A1 …
How to use words and number of words on Excel formulas or data
This example describes how to count the number of words in a cell. 1a. The TRIM function returns a string with extra spaces, starting spaces and ending spaces removed. 1b. To get the length of t…
How to calculate the sum Product in MS Excel
To calculate the sum of the products of corresponding numbers in one or more ranges, use Excel's powerful SUMPRODUCT function. 1. For example, the SUMPRODUCT function below calculates the total…
How to Copy Exact formula in Excel
When you copy a formula, Excel automatically adjusts the cell references for each new cell the formula is copied to. For example, cell A3 below contains a formula which adds the value of cell A2 …
How to Play with DateDif formula in Ms Excel
To get the number of days, weeks or years between two dates, use the DATEDIF function. The DATEDIF function has three arguments. 1. Fill in "d" for the third argument to get the number o…
Uses of Rand andRandbetween formula in Ms Excel
Excel has two useful functions when it comes to creating random numbers. The RAND and RANDBETWEEN function. Rand The RAND function creates a random decimal number between 0 and 1. 1. Sel…
How to change negative number into zero using Max formula in Ms Excel
A clever Excel trick to change negative numbers to zero but leave positive numbers unchanged. Below you can find two columns with numbers. To subtract the numbers in column B from the numbers in colu…
Researchers Create World’s Fastest Organic Transistor

Transparent transistors on this postage-stamp size glass have speed characteristics rivaling some forms of silicon transistors. The device used a new process to make this world record-setting organic…
New System Converts Sun’s Energy into Hydrogen Fuel

A new system designed by researchers at UNC and NC State converts the sun’s energy into hydrogen fuel and stores it for later use. Solar energy has long been used as a clean alternative to fossil fue…
How to make a Time Sheet in Excel
This example teaches you how to create a simple timesheet calculator in Excel. Cells that contain formulas are colored light yellow. If you are in a hurry, simply download the Excel file. 1. To autom…
How to Calculate the Days of the Year in Excel

An easy formula that returns the day of the year for a given date. There's no built-in function in Excel that can do this. 1. Enter the formula shown below. Explanation: Dates and times are stored as…
How to Count Blank/Nonblank Cells in Excel
This example shows you how to count the number of blank and nonblank cells in Excel. 1. The COUNTBLANK function counts the number of blank cells. 2. The COUNTA function counts the number of nonblank …
How to Sum onle the Largest Numbers in Excel
This example shows you how to create an array formula that sums the largest numbers in a range. 1. We use the LARGE function. For example, to find the second to largest number, use the following func…
How to Sum Every nth Row in Excel
This example shows you how to create an array formula that sums every nth row in Excel. We will show it for n = 3, but you can do this for any number. 1. The ROW function returns the row number of a …
how to Separate Strings in Ms Excel
This example teaches you how to separate strings in Excel. The problem we are dealing with is that we need to tell Excel where we want to separate the string. In case of Smith, Mike the comma is at p…