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 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 use statistical range, variance and standard deviation to measure dispersion in a data set.
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 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 solve an equation in which to rational expressions are said to equal each other.
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 study for that next big test). With this two-part installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to simplify rational expressions in algebra.
So you care for music, do ya? In this free video guitar lesson from the Internet's Siggi Mertens, you'll learn how to play Leonard Cohen's oft-covered "Hallelujah" on your acoustic guitar. While this lesson is geared toward intermediate players, beginners should also be able to follow along given a little perseverence.
In this free two-part video yoga lesson from Manhattan yogi Sadie Nardini, you'll learn a creative, heart-healthy and body-transforming flow with Crow, Pigeon, Bridge, Wheel and Handstand preparation hops all in one! With Sadie Nardini, founder of Core Strength Vinyasa Yoga.
Mark from Minneapolis Best Buy Mobile Team walks you through the excellent Vlingo BlackBerry application, which allows you to better manage your favorite searching and networking sites from your mobile phone. Mark explains how Vlingo will get you navigating Twitter, Google, Yahoo, and Facebook with your BlackBerry faster and more efficiently than ever before. Stop fiddling around with your thumbs and free your hands for other things by effectively controlling your email, web searching, networ...
This educational video from free math tutoring shows how to calculate the slope of a line and assign units to the answer obtained. This video assumes that the viewer is familiar with the concepts of axes and co-ordinate geometry. The narrator uses a commonly used formula to calculate the slope of the line in the first section of the video. In the second section, the narrator demonstrates how to assign units to the answer, as per the question asked.
Put the egg in a corner and your victim won't be able to smash it with the flat part of the frying pan, making it an unbreakable egg. This is a sensational trick, so see the full reveal of this bar trick.
A great trick that requires you have a friend with you. When your back is turned, and the "victim" chooses a coin, your buddy puts his beer where the coin is. Known as the "nine coins" bar trick.
Try out this puzzle, then try it out on others. It's a funny little puzzle where you make a dog look the other way just by moving a couple of matches.
TaskTutorial gives us an in-depth instruction on how to use Flash to create stop and play buttons. This is a great find if you are interested in creating videos with Flash program. These programs can also be downloaded for free on the website indicated on the videos page. Learn quick and easily how to use Frames and button applications on this easy to follow video.
Need a little help in your Statistics class? In this statistics tutorial hosted by The Free Math Tutor, a demonstration of how to use the Sharp EL531W calculator to find the correlation coefficient (r-value) and the equation of a regression line is given. Want some more practice? For exercises and answer sheets, go here.
Want to clean up your iPhone or iPod Touch by adding folders to stash stuff in? Make folders and clear up some space, make scrolling easier, and/or just make your springboard look more tidy with help from this tutorial using the free app from Cydia called "Categories". (In order to do this, your phone must be jailbroken or unlocked.)
It's easy to watch Hulu on your Playstation 3 console. Using a free trial version of PlayOn, you can watch a variety of internet TV & movie sites on almost any game console - including your Wii. Who needs cable anymore? This video will show you how to set up your PlayOn account and use it to watch your favorite media sites on the console of choice.
This video tutorial is an easy intro to making gradient text in GIMP… the free Photoshop alternative. It's easy to make your text a little more fancy with a gradient. It's so easy to use a gradient, that you have to learn it, or you'll never forgive yourself. This is GIMP 101. Learn it. Master it.
See how you can make Rorschach's mask from the new hit movie, "The Watchmen". For just under twenty bucks, Erik from Indy Mogul, will show you how to recreate the inkblot effect from Rorschach's mask in "The Watchmen" movie.
Wanna know how to get a shot at any bar for just a dollar. Mr. Magicpants gives a wealth of barroom strategy. You gotta botch the first bet. Wager a $1 on a drink. Then lose the bet. The mark gets to drink it. Walk away and he's left paying the bill!
How were you supposed to know your computer can't swim? Isn't it called a laptop? You will need paper towels or lint-free cloth, cotton swabs, a towel, lots of luck, and professional help. Warning: liquids and electricity don't mix. Please make sure your hardware and all points of electrical contact are completely dry before plugging them in.
The best way to transfer contacts from a computer to an iPhone is to use Mobile Me, formerly known as Dot Mac, which automatically synchronizes Outlook or Entourage with the iPhone. Keep track of contact information, on both the computer and the iPhone, with tips from a digital technology specialist in this free video on the iPhone.
New to the ukulele or simple looking to add to your bag of tricks? This two-part video tutorial series enumerates a number of tips and techniques that will add color to your ukulele playing. Become a better ukulele player with this free video lesson series.
Mike Lively of Northern Kentucky Universtiy demonstrates how to grab a website's resources for reconstruction in Flex using HTTRACK and Wireshark. This tutorial is especially helpful for sites you want to grab that think they are very locked down and secure. All with the free softwares HTTRACK and Wireshark.
NKU had so many instructors ask them for a Jeopardy game that Mike Lively created one and put it on Google Code for free distribution. This tutorial is narrated by the game designer Alissa Gilley. Learn how to create and play flexJeapardy using Flex.
Following the immediate release of the Nintendo's Wii, many people speculated whether or not the interaction with the Wiimote would only last as long as the novelty did. Naturally, the Wiimote requires to be reconfigured now and then given its heavy use. Take a look at this instructional video and learn how to configure your Wiimote on your Mac with a free program known as Darwinremote.
Own a Playstation portable? With a PSPTUBE, you can watch and download videos from YouTube and other video sites. Take a look at this instructional video and learn how to install the PSPTube. Keep in mind that your PSP requires a custom firmware of at least 3.71m33 or higher and 8MB of free space on your memory stick.
This video clip shows you how you cannot fool any candy machine and debunks the mythical paper hacks in detail. Some say it works, some say it doesn't. Well, check out this video tutorial and decide for yourself what believe. It might just be easier to steal candy from a baby.
A tutorial on how to open, mount volumes, create volumes, and dismount volumes with Truecrypt, the free, open-source encryption software. GRAB LOW RES VERSION AS A DUP LINK!!
Two computers, two displays...one keyboard and mouse. Molly Wood from CNET shows you how a free software app (Synergy) can make beautiful music between PCs, Macs, and even Linux.
This how-to video shows you a very simple method to remove scratches on your DVDs and CDs! The magic fixer is toothpaste. Don't throw out any of your favorite movies, records, or software. Watch this video tutorial and learn how to rescue and repair scratched CDs.
This video is useful if you ever play games on your smartphone and wish to be able to play more than solitaire. Follow this video hack, and you'll be able to get all those Atari classics right on your phone for free.
You wait forever to dye your hair because you can't afford the costs of hair dye products. This video will show you a way to dye your hair on time without breaking your wallet. The secret? Kool-Aid and food coloring. Watch to see the transformation from natural black hair to a color of your choice.
Once again, the Frugal Chef shows her viewers how to make a delicious, nutritious, and cost effective meal. Today, the meal of choice is Vegetarian Lentil Stew. This hearty lentil stew is chock full of wholesome and easily available ingredients such as lentils, carrots, and olive oil. Even though this stew does not contain meat, the lentils are sure to be very filling. The Frugal Chef highly recommends that while you are preparing the recipe, you thoroughly stir together all the included vege...
Artificial flowers are a wonderful way to add joy and color to your home without the cost or mess of freshly cut flowers. They don’t need to be watered but they can get dusty. Keep your artificial flowers shining brightly with this simple trick.
The big problem with sowing seeds indoors is that the light comes from one side and your seedlings will get 'drawn' (stretching towards the light). You can help to get healthy, sturdy seedlings and increase your chances of success if you make a simple box to reflect the light back to your plants. Use this with a propagator or just stand plants in pots in the box. You'll be amazed at how effective it is and it costs virtually nothing. All you need is a cardboard box, which is cut away on one s...
Learn how to insert a reusable menstrual cup with this feminine hygiene tutorial. The menstrual cup is a great alternative to disposable tampons and pads. It is very cost effective and friendly for the environment. With regular sanitizing, the menstrual cup can last years. This video is specific to the Mooncup menstrual cup, although most menstraul cups are inserted in the same fashion. Watch this how to video and maybe you will decide to use a menstrual cup during your next period.
With the unemployment rate hovering at around 9.8% in California, many of us are still unfortunately without a job. Ergo, you must treat every meeting as an opportunity to network and find job leads. Which is why carrying business cards around is an absolute necessity. But given that purchasing cards cost money (and sometimes a LOT of money depending how nicely you want them done), why not save yourself cash by making your own business cards?
THE ODYSSEY is an epic adventure, a world first, a race against time, an entire year of living dangerously.
I'm not sure exactly when it happened, but it's awesome that you can now download music from the iTunes Store that's free of DRM (digital rights management) limitations. That was always my biggest problem with buying music from iTunes. Paying a buck for a song that I can only play on Apple devices? Really? That's what finally led me away to other legal music downloading services like eMusic and Amazon.
Welcome to Minecraft World! Check out our advanced tutorials and come play on our free server. For about the past month, the folks at Mojang have been leaking pre-releases of Minecraft 1.9 and they've added many exciting things. Additions to the game include: potions, new mobs, a new biome, new realms, and something called an enchanting table. I went over how potions work in one of my previous articles and, while they are fun to play with, boy are they confusing!
The noble board game has stalwartly staved off elimination in the face of more technologically advanced video games for four decades. Try as they might, video games just can't seem to surpass them as an easy-to-use diversion for large groups of seated indoor people.
There are a lot of fantastic video games out there. Indie Games Ichiban's bread and butter is making sure that you steer clear of the bad ones and embrace the good. But really, the biggest goal here is to help everyone have more fun. To that end, today a game is not recommended, but an event. If you like games—not just video games—but tabletop, board and even hopscotch, then PAX Prime is one of the best events you could possibly go to.
