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How To: Create a two-variable data table in Microsoft Excel

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 255th installment in their series of digital spreadsheet magic tricks, you'll learn how to create a two-variable data table in Excel for what-if analysis. See the PMT function and learn about the formula equivalent to a data table.

How To: Use a data table for what-if analysis in Excel

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 253rd installment in their series of digital spreadsheet magic tricks, you'll learn how to use a data table for what-if analysis. You'll also learn about the PMT and see the formula equivalent to a data table.

How To: Make TCPO (for making glow sticks)

How to make TCPO or bis(2,4,6-trichlorophenyl) oxalate, used in glow stick reactions. WARNING: This procedure should only be performed by, or under the direct supervision of, an experienced chemist. Please refer to the material safety data sheets of all chemicals for their hazards. Synthesis must be performed in a fumehood.

News: Timelapse Footage of a Moonrise

This is a really quick video I took of a moonrise last year. It has been sped up by a factor of 8 and was taken using a 2600 mm equivalent lens (75 times zoom for a 35 mm lens). The mountain it is rising over is about 40 miles away.

How To: Curl hair into loose curls with a straightening iron

Loose, sexy beach curls are the hair equivalent of our go-to LBD, universally flattering even on our worst, most sleep-deprived days. Whether you haven't learned how to do this simple yet gorgeous hairstyle yet or just need a refresher course because you're feeling lazy, you should watch this tutorial to learn how to curl your hair loosely using a GHD straightening iron.

How To: Install & run Sony Vegas (or Windows apps) on a Mac

In this how to video, you will learn how to install Sony Vegas or any other Windows software on to a Mac. This will be useful if you cannot find a Mac equivalent of a Windows program. First, you will need Boot Camp Assistant. This will allow you to run any windows program on your Mac. Open the program and press continue. Next, you can select how big you want the Windows partition to be. You can select the 32 gigabytes button, or adjust it manually by sliding it. Next, select Partition. Once t...

How To: Subtract positive & negative numbers

In this Math Made Easy tutorial the author shows how to subtract positive and negative numbers. He says that because of the numerous combination of positive and negative numbers it adds to a lot of confusion. Now he shows a trick of how to add positive numbers to negative numbers showing that it's equivalent to subtracting the negative number from the positive number. He shows that if you want to subtract a negative number from a positive number we should actually cancel all the signs and the...

How To: Add unlike fractions using basic math

In order to add unlike fraction, using basic math, you will need to find the lowest common multiples of the denominators. In order to add 5/12 and 1/6, you will need to make the denominators the same. The lowest common multiple, for these fractions is 12.

How To: Calculate equivalent earnings in Excel

In this video, ExcellsFun takes you step by step on how to calculate your employee payroll using an excel spread sheet. ExcellsFun teaches you how to take the base pay of various employees' salaries and determines how much you are paying them over a week, month, and year. Excellsfun also shows you how to incorporate various pay periods including weekly, semi-weekly, bi-weekly, and monthly on the same form using the same calculation for the entire spread sheet. After watching this video, you w...

How To: Convert temperature using a point slope equation

In this video the instructor shows how to convert temperature using the point slope form. In this kind of problem sometimes you are given a temperature in Fahrenheit and its equivalent in Celsius and an other temperature similarly in both Fahrenheit and Celsius. Now you are asked to find a linear equation for these pair of temperatures. To solve these kind of problems assume that the given temperatures represent the point (x, y). Now you have two points. Substitute this value in the point slo...

How To: Do the boomerang scratch with fading pattern

The video describes the effect known as the Boomerang Scratch. The author describes the technique and shows the sheet musical note equivalent. After explaining the sheet music notation, the author shows a video of the technique being performed on a scratch deck with a cross fader. The video then covers volume levels as indicated on sheet music and how to read these notations. This video provides a few different examples of the boomerang scratch along with close-up videos of the authors and ha...

How To: Add fractions with uncommon denominators

This video shows you how to easily add two fractions with uncommon denominators. To add the two fractions you must translate the fractions into its higher equivalent form, with a common denominator. To find a common denominator, you must find the lowest multiple that both denominators can go into. You must multiply both the numerator and the denominator by a number, so that the denominator can go into the lowest common multiple you found earlier. Then, simply add the numerators and keep the s...

How To: Subtract fractions with uncommon demoninators

In this tutorial the author shows an easy and simple way of subtracting fractions with uncommon denominators. He says that to subtract fraction with uncommon denominator, we need to make their denominators equivalent first and after making the denominators equal, you need to increase the numerators proportionally to maintain the original ratio of the fraction. Now as the denominators are same, we can directly subtract the numerators arriving at a new fraction. He further shows how to deduce t...

How To: Convert between customary units of measurement

In this video tutorial the author shows how to convert between customary units. He gives a chart which contain various convention tables showing the equivalents of various measurement units. He says a general rule that when converting a smaller unit to large unit we divide the numbers and when converting a larger unit to smaller unit we multiply the numbers. He takes a few examples and shows how to convert between various units like feet, yards, inches etc. This video shows how to convert bet...

News: Microsoft Goes Long for Mixed Reality

The theme running throughout most of this year's WinHEC keynote in Shenzhen, China was mixed reality. Microsoft's Alex Kipman continues to be a great spokesperson and evangelist for the new medium, and it is apparent that Microsoft is going in deep, if not all in, on this version of the future. I, for one, as a mixed reality or bust developer, am very glad to see it.

How To: Split an Apple in Half with Your Bare Hands

Have you ever looked at a piece of fruit and thought to yourself, "you suck, fruit, sitting there all smug and happy, I wish I could just destroy you here and now?" If so, read on—your favorite Fat-man is going to show you how you can get your revenge on that happy smug fruit sitting in your fridge by breaking an apple in half with your bare hands.

How To: Make a suruga kite

The kite in this how-to video is a terrific flyer and exciting to make! You will need ripstop nylon or equivalent, bamboo or wood dowels – 1/8” – 2 @ 36”, tape (cloth) and double stick tape, string (packaging type) 30’, a hobby stick, scissors, a ruler (yardstick), a pencil/pen, magic markers (permanent type), toothpicks (3 pieces), and the step-by-step instructions in this video kite-making tutorial. Make a suruga kite.

How To: "Find & Replace" Text Directly in Your Web Browser

I'm sure you've been there—halfway through typing something out, you realize that one word you've been using more than any other has been misspelled. Perhaps it's a single word, acronym, or line of code that you find yourself typing quite often at work, but this one requires complicated hand gymnastics that you'd simply rather not perform over and over again.

News: Google +1 Button Now Available for Websites

Google's sociable equivalent to the Facebook Like button is finally here, and it works very similar to your favorite social network's recommendation system, except it shows up directly in Google search results. Whenever your Google friend gives a website or webpage the +1, you'll see it in your search results, as long as you're signed into your Google Account.

How To: Pass and control a soccer ball

Having sausage legs and wobbly toes in soccer is equivalent to career death. Whether you play a striker or a midfielder, dribbling, passing, and controling the ball are the most important basic abilities needed to be a good soccer player.

How To: Check your site's Google indexing

This video tutorial from MatthewNeer presents how to check your site's or blog's Google indexing.Type in Google word Site, press Space and then enter your site's or blog's URL address.Then press Enter or click Search button.Newly opened Google page will show all the pages from your site or blog which are already indexed in Google search engine.From search Results to the right you can see how many pages from your site are already indexed.According to the results you can reoptimize those pages ...

How To: Create a website with Google Sites

Radford Education teaches you how to create a website using Google Sites. You need to have a Gmail account for this. Go to Google and click More - Sites. After the login, click Create new site in the upper left corner. Complete all the fields, starting with the name of your site. You can also select your site theme below. Hit the Create Site button at the bottom, when you're done. You will then be taken to your brand new site.

How To: Hack websites using cross-site scripting (XSS)

In this episode of Full Disclosure we are explaining the website attack known as Cross-Site Scripting (XSS). Cross-Site Scripting is a type of security vulnerability that affects web applications that do not sanitize user input properly. This kind of vulnerability allows an "attacker" to inject HTML or client side script like JavaScript into the website. Cross-Site Scripting is most commonly used to steal cookies. Cookies are used for authenticating, tracking, and maintaining specific informa...

How To: Encrypt a NETGEAR router with WEP password protection

In this video tutorial, viewers learn how to set and encrypt a NET-Gear router with WEP password protection. Begin by opening your web browser and go to the router website: Router Login.. When the Prompt window appears, type in your router user name and password, and click OK. In the sidebar, under Setup, click on Wireless Settings. Once again, type in your user name and password, and click OK. In the Security Options, check WEP (Wired Equivalent Privacy). Then select the Pass-phrase box, typ...

How To: Change percents into fractions

Fractions are numbers written in the form a/b, where a, b are integers. Fractions can also be expressed in the form of percents by multiplying the value of the fraction with hundred. So we can always change percents to fractions and also fractions to percents. Remember that percent means hundredth. So percent means a fraction with a denominator of hundred. When you are given percents and asked to calculate its fraction, divide the percent with hundred. Now this fraction can be further reduced...