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How To: Find partial derivatives of vector-valued functions

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 the partial derivative of a vector-valued function in linear algebra or vector c...

How To: Run a partial text lookup 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 323rd installment in their series of digital spreadsheet magic tricks, you'll learn how to run a partial text lookup query using a VLOOKUP function with wild card criteria.

How To: Evaluate a telescoping series using partial fractions

Looking for a primer on how to solve a telescoping series using partial fractions? See how it's done with this free video college 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).

How To: Find credit for a partial invoice payment in MS Excel

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 47th installment in his "Business Math" series of free video lessons, you'll learn how to determine credit given for partial payment of an invoice.

How To: Work with Microsoft Excel's LOOKUP function

Whether you're interested in learning Microsoft Excel from the bottom up or just looking to pick up a few tips and tricks, you're in the right place. In this tutorial from everyone's favorite digital spreadsheet guru, ExcelIsFun, the 42nd installment in his "Highline Excel Class" series of free video Excel lessons, you'll learn ten tricks involving the LOOKUP function:

How To: Use partial text matching 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 309th installment in their series of digital spreadsheet magic tricks, you'll learn how to check to see if an item in first list is second another list, even if there is text before or after the item using the LOOKUP, SEARCH and ISNUMBER functions.

How To: Take Partial Screenshots on Android

Being able to take screenshots on Android isn't something we were always able to do. It was added to stock Android in Ice Cream Sandwich 4.0 (Gingerbread 2.3, if you were a Samsung TouchWiz user) as a simple full screen screenshot, and that's the way it's remained ever since—until now.

How To: Solve advanced rational equations in algebra

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 the partial derivative of how to solve more challenging rational equations in al...

How To: Perform a quadratic regression with a calculator

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 the partial derivative of a vector-valued function using a calculator to perform...

How To: Solve radical expressions with higher roots

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 the partial derivative of a vector-valued function with higher-value roots.

How To: Make a Latex Skull Mold to Make a Plaster Skull

Dr Kreepy, Halloween craftsmen, shows a cheap and easy way to make full and partial skulls from Plaster of Paris! For this project, you will need a plastic skull, cheese cloth, a paintbrush, melting latex, anchoring cement, and Plaster of Paris. Watch this video special effects tutorial and learn how to build a latex skull mold to make plaster skulls or skull fragements.

How To: Use quotes in an essay

In this tutorial, we learn how to use quotes in an essay. When using a colon, you will set up the quote, then present it as proof of what you have just said. Note that the phrase before the quote could stand on its own as a sentence. For partial quotes, remember when summarizing to embed the author's words in your own sentence. If you take away the quotation marks the sentence should flow like you wrote it. When using commas with quotes, you can introduce the quote with an introductory phrase...

How To: Do a partial black and white photo in Photoshop

In this video, we learn how to turn a photo partially black and white using PhotoShop. First, open up the program and open up the picture you'd like to change. Now, click with the right key above the layer and choose duplicate "layer". Now click above the eye icon to hide the layer, then select the layer. Now you can go to image, adjustments, then black and white. Now make the second layer visible and select the eraser tool. Wave your brush over everything but what you want to keep colorful. ...

How To: Pick out easy orchids to grow for your home

Curtis Smith, Extension Horticulturist with Southwest Yard and Garden, and Rick Hobson of Rowlands Nursery, demonstrate how to pick out orchids for your home. Dendrobium Phalaenopsis orchids are very graceful with its long spray and is a very popular orchid. They make great starter orchids because they are easy to grow. They will bloom year after year. They come in a variety of shades and petal broadness. Phalaenopsis Hybrids are also successful plants to grow in the home. They will bloom fro...

How To: Crochet a cap for an Ogeechee bear

Teresa demonstrates how left-handed people can complete a crochet project. The project is a round cap for a toy Ogeechee bear. Using her left hand to hold the crochet needle, she starts with a circle of crochet stitches to form the crown of the cap, and counts out the number of stitches needed for each row. A yarn marker is used to keep the rows organized, and Theresa shows how to utilize a slip stitch to make turns in the crochet to complete partial-rows that form a brim to the cap. She ends...

How To: Do the "PLL" Rubik's Cube solution technique

This is a demonstration on how to use the PLL method to solve a Rubik's cube. The author informs that what people do before and after applying the PLL technique is very important. According to him, people usually tend to first align as many faces as they can, when they see a partial algorithm and then apply the PLL method, which is very time consuming. Instead, one should stop one step short of alignment, apply the Pll method and then align the faces completely. The author, however, points ou...

How To: Make an indoor hydrogen rocket

The picture may look like a mushroom cloud, but it is actually a can filled with hydrogen exploding. The can is fired into the ceiling. This demonstration still needs a little improvement in the area of safety (but it looks really cool). The problem is the partial pressure of hydrogen drops as the gas escapes and is replaced with air. This causes the reaction to be an explosion instead of a flame. Hydrogen is a tempermental element like that.

News: This Group Is Backing Up SoundCloud Content in Case It Shuts Down

After laying off 40% of its staff this month to cut costs, SoundCloud appears to be struggling to stay afloat. While blog posts from the company have assured fans that the music platform is not in danger of shutting down, some people aren't so sure this is the truth. Internet Archive — a non-profit dedicated to preserving websites and services — announced today that they will be conducting a partial backup of SoundCloud to safeguard the site's content in case of closure.

How To: Make dried flower arrangements

This is a how to video on making dried flower arrangements. It is presented by John white along with Virginia podmenik, Master Gardener from southwest yard and garden show. John white and Virginia podmenik, Master Gardener from the Dona Ana co. walk us through the various types of plants used for dried floral arrangements. Virginia podmenik shares her garden collections for the dried floral arrangements. Mexican sage is an excellent plant to choose for dried floral arrangements. These are pop...

How To: Perform various first aid methods as a Boy Scout

Second Class Boy Scouts work on building their outdoor survival and camping skills. Compass work, nature observation, camp tools, and swimming are areas where new skills are mastered and demonstrated. A second class scout, having completed all the requirements, should be able to lead a hike, care for his own equipment, set up a campsite, and perform basic first aid.

How To: Do hanging dip exercises

Work out and getting in shape with dips. Learn how dip exercises can increase your strength and fitness in this training video. Take action: do not lock elbows, upper arms stay parallel to floor, and no partial reps, use full range of motion! Michelle, the instructor in this how-to video, is a personal trainer at a gym in NC and has been a personal trainer for several years. She is certified through ACE and is a certified aerobics instructor as well. Her Specialty is weight lifting and she en...

How To: Make a swing (or flip) card

This video shows how to make a swing or flip card. These are called swing or flip cards because when you open them the middle swings out to show the message. To make the card, you need a piece of cardstock that measures five inches by seven inches. Stamp or emboss the card while it is still whole. Then make two score marks on the long side of your card at two and three fourth inches and four and one fourth inches. Next, measure one and one half inches from each side, toward the middle, markin...

How To: Keep Mosquitoes & Other Annoying Bugs Away from Your Campfire or Backyard Fire Pit

I'll be honest—I've never been a huge fan of camping. It's not that I have anything against nature, I'm just partial to showering and sleeping in my own bed. In fact, the only part of camping I've ever really enjoyed is sitting around a campfire. Outdoor fires are perfect for socializing and cooking hot dogs, but they're also great at helping remove one of camping's biggest annoyances.

How To: Use the quick search box on Android cell phones (2.0)

Searching your phone just got easier with Google's Android operating system for your cell phone. With the Android Quick Search box feature, you can easily search your phone or the web, right from the home screen. It even provides you with search suggestions while you type. Watch this video tip to see how to easily search both your phone and the web with Quick Search box.

News: Essential Phone Drops Three Stunning New Colors [Photos]

The story of the Essential Phone isn't one for the faint of heart. The company was founded by Andy Rubin, and their first phone was supposed to have only the "essential" qualities. Unfortunately, it lacked a decent camera, and still cost as much as most flagships. Since that rough start, however, things have taken a turn for the better. Now, Eseential's doubling down with a new set of colorways for the PH-1.

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