How To: Use cross products to solve proportions

To solve a proportion for a variable you should employ cross multiplication. The basis of cross multiplication is the property which states that the product of the numerator of one fraction and the denominator of what it is set equal to is equal to the product of the remaining denominator and numerator. For example if you have x/15=21/45 you simply need to multiply x by 45 and 15 by 21 then set them equal to each other. The result of this is 45x=315. To solve this new problem for x, divide bo...

How To: Find your Windows product key

In this video, we learn how to find your Windows product key. Start off by going to Magical Jellybean Keyfinder. This website has a download that will find your product key for your Windows program. This is a great and necessary tool if you happened to loose the product key that came with your computer. This is also great for computers that already had Windows installed, and you never had the product key in the first place. Once you install this on your computer, you just open it up on your d...

How To: Evaluate a new product, service, or company name

Chances are, if you're a branding or marketing professional, you've been tasked to come up with a new name for a product, a service, or maybe even a company at some point in your career. Maybe you're trying to come up with a new brand name right now. Well, there are objective measurements for choosing new names, and if you need help figuring these out, watch this video tutorial to learn how to develop a new product or company name that will stand out among your competitors, presented by namin...

How To: Problem solve small product photography techniques

This instructional photography video explains how to problem solve small product issues. Two ways to tackle a particular challenge is through pre-production and the other in post-production. There are many different ways a photographer can approach and deal with a challenge. The more knowledge you have about different methodologies about photography, the better and easier you will be able to solve those problems when they occur.

How To: This Hair Care Product Will Keep Water Spots Off Your Car for Good

Taking care of your car requires effort, whether you take it to the pros for washes, waxes, and detailing, or you spend time to make it shine yourself—and it often seems that, right after your car is sparkling again, rain or midnight moisture appears to cover its surface in water spots. With a small tweak to your typical car care routine, you may be able to keep your car's surface and windows shining longer and better: you just need to add a little hair conditioning liquid.

News: Magic Leap's Latest Job Posting Shows They're Getting Ready for Mass Production

Few companies have maintained such intense secrecy, in the face of such extreme hype, as Magic Leap, but the closer their mysterious Mixed Reality product comes to mass production, the harder it becomes to hide the details. Hopefully we'll find out way more details soon, as a Magic Leap job posting for a supply chain manager hint that they're readying for release in the next couple years.

How To: Learn studio product photography tricks

This instructional photography video with Jim Talkington explores various studio photography tricks. Whether shooting products or people, the whole reason for studio lighting is to be able to define the things you want to define and to minimize the things you don't want to see in the photograph. Practice these tips and improve your photography skills.

How To: Shoot unique product photography with long exposures

This video shows you how to light a bottle with long exposure in photography. The end result is to have a picture of a bottle with glowing edges with a black background. For starters you set your SLR camera settings to a 30 second manual shutter speed and a f5. 6 set aperture. Put the camera on a tripod for steadiness and set up your subject. For the subject, on a table, place your bottle in front of your chosen drop cloth. It is best to choose a color similar to the bottle. Then you use a li...

How To: Retouch commercial products in Photoshop

Pixel Perfect is the "perfect" show to help you with your Photoshop skills. Be amazed and learn as master digital artist Bert Monroy takes a stylus and a digital pad and treats it as Monet and Picasso do with oil and canvas. Learn the tips and tricks you need to whip those digital pictures into shape with Adobe Photoshop and Illustrator. In this episode, Ben shows you how to retouch commercial products in Photoshop.

How To: Photograph a white product with a white background

Need to shoot a product with a white background? Well, taking photos with a white backdrop can be tricky if your subject is white also. Watch this behind the scenes photography video to see how to photograph a white product with a white background. This style of shoot is quite standard for eshops which need product photos with a white background. It takes a couple flashes and a goo camera to get it down, just watch and see for yourself.

How To: Find derivatives in calculus using the product rule

Want to know how to use the product rule to calculate derivatives in calculus? From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to find d...

How To: Track prices with Google Alerts and Google Product Search

Looking for an easy way to track price changes? Look no further. In this clip, you'll learn how to use Google Alerts in tandem with Google's Product Search comparative shopping tool to monitor price changes and find the best value. Fore detailed, step-by-step instructions, and to get started using this online shopping trick yourself, take a look.

How To: Make an invoice from an external product list in Excel

New to 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 Excel tutorial from ExcelIsFun, the 334th installment in their series of digital spreadsheet magic tricks, you'll learn how to use VLOOKUP & data validation to make an invoice when the product list is on a different sheet or different workbook.

How To: Factor two special products of polynomials in algebra

Learn how to factor the special products of polynomials with this free video algebra lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn...

How To: Do high key video lighting for product photography

This video shows you how to do video lighting for product shots. In order to do this the presenter begins by putting the product on a plate. He has three lights that are placed around the product. 650 watt shooting onto the background. The second light is 1000 watts, with an open face shooting into a soft box. It has a flag to protect the light. The third light has an umbrella giving fill on the background. He then shuts off all the lights except for the background light giving a shot of the ...

How To: Set up a Panasonic Lumix G1/GH1 for product photograpy

Learn how to optimize a Panasonic G1 or GH1 for product photography. Whether you're the proud owner of a Panasonic Lumix DMC-G1 or DMC-GH1 micro four thirds digital camera or perhaps just considering picking one up, you're sure to like this free video tutorial, which presents a complete overview of how to shoot terrific product portraits with a G1 or GH1 camera. For more information, including detailed instructions, watch this digital camera user's guide.

How To: Color correct product shots in Photoshop

Yanik Chauvin teaches us how to color correct product shots in Photoshop in this tutorial. First, remove some of the black from the image by using your crop tool. After this, if your image is too wide, duplicate your layer and use the marquee tool to edit. Remove any dust spots from your image, to make it look more clear so you have an image that is impeccable. You can do this by creating a new layer and then adding a feather to the image. Continue to go through the editing tools available un...

How To: Use Excel's built-in SUM, MOD, LCM & PRODUCT functions

As you might guess, one of the domains in which Microsoft Excel really excels is business math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 5th installment in his "Excel Business Math" series of free video lessons, you'll learn how to use Excel's built-in SUM, AVERAGE, PRODUCT, LCM, QUOTIENT and MOD functions.

How To: Tease your hair using Bumpit hair products

In this tutorial, we learn how to tease your hair using Bumpit hair products. This is a product that you put in your hair to give you lasting volume all day long. It has ridges on it so it holds onto your hair and creates a volumized look! Before you place the product in your hair, you will need to gently tease it. To do this, you will take a section of your hair and hold it up in the air. After this, spray it with hair spray and then brush it down to the root from the top. After this, you ca...

How To: Simplify square roots w/ product & quotient rules

In this math tutorial, you will learn how to simplify square roots with product and quotient rules. To begin, you will need to multiply the square roots so that the two square roots in your equation are reduced down into one. The rule for non-negative "A" and "B" is that the square root of "A" multiplied by the square root of "B" yields the square root of A x B.

How To: Analyze product sales with PivotTable report in Excel

With PivotTable reports in Microsoft Office Excel 2007, your sales report will sparkle with power, flair, and functionality. Take a look at this instructional video to learn how to show the big picture, show all the details, or show anything in between. Easily create multiple worksheets to switch back and forth between the various versions of your report. Sort, filter, and summarize your data any way you like. Show the details of any summary value in your report.

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