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How To: Find the area of a triangle

In this video, learn how to calculate one of the most important puzzlers in math - the area of a triangle. This is one of the first things you will learn in geometry and is helpful in math as well as science classes. Check out this tutorial if you are having trouble grasping this concept. This video will show you how to calculate the area of a triangle easily and in detail. Master this and you will pass that next test for sure!

How To: Understand the central limit theorem

Central limit theorum is easily one of the most fundamental and profound concepts in statistics and perhaps in mathematics as a whole. In probability theory, the central limit theorum (CLT) states conditions under which the mean of a suffiently large number of independent random large variables (each with finite means and variance) will be normally distributed, approximately. Huh? If you are having trouble understanding central limit theorum and need help trying to solve it, check out this tu...

How To: Use set driven keys in Maya 8.5

Check out this two-part Autodesk Maya 8.5 video tutorial on creating set driven keys. If you're and animator and your having trouble with your organic or unorganic animation, maybe this is your problem; it's a very powerful tool in 3D modeling in Maya. When ever you come into an object that you are constantly rotating, maybe you should put a set driven key on it, no?

How To: Adjust the brakes on a 1931 Model A Ford

The 1931 Model A Ford is a classic, but like many classic cars owning one means investing substantial time and money into maintenance and repairs. If the brakes are giving you a lot of trouble in your Model A (and when are they not?) it may be time to adjust them. This video will show you how to do just that.

How To: Use the Lego Mindstorms NXT software to program robots

Lego Mindstorms is a great way to take your Legos to the next level by adding in the flavor of robotics! But, with taking it up to the next level, it does get a hair tougher! And if you're having trouble working with the Mindstorms software, this great video with Patrick Norton and David Calkins goes over each step of using the software so you can have your very own robot ready to go in no time!

How To: Use motion tracking in After Effects

Motion tracking a movie scene in After Effects is a royal pain in the butt. It takes a long time, depends largely on the suitability of the footage you are working with, and is rather confusing. This video is here to shed some light on the subject, offering many tips and tricks for basic motion tracking in After Effects. If you're having trouble getting your own scum-sucking monster to wander the desert realistically, watch this video!

How To: Play "Trouble" by Never Shout Never on acoustic guitar

Want to play Never Shout Never's (or NeverShoutNever's) "Trouble" on acoustic guitar? See how it's done with this free video guitar lesson, which presents a complete breakdown of the song and it chords. While this tutorial is geared toward those who already have some knowledge of the guitar, players of all skill level should be able to follow along given adequate time and effort. For more information, and to get started playing this NSN song on your own guitar, watch this video tutorial.

How To: Create an amortization 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 515th installment in their series of digital spreadsheet magic tricks, you'll learn how to create an amortization table that will update when you pay extra principal so that loan is paid off early. See also how to make changes to a template, get into trouble, then trouble shoot your way out of it so that you can fix ...

How To: Secure a Linksys wireless router when running Windows

Ever had router trouble? Got router trouble? Well don,t worry the people over from quickcert.com have made this video to help! More specifically a linksys 802.11g router. All new routers come with a standard Ethernet cable, which must be plugged into one of the four ports on the router and connected to your computer as well. This is necessary to change settings, using Microsoft IE (internet explorer) when the routers IP is typed into the address bar. It is strong recommended to change the def...

How To: Play "Slide Away" by Oasis on guitar

Love rock music and playing guitar? If so then this video is just for you. Follow simple step by step instructions to learn how to play the acoustic version of Slide Away by the famous band Oasis. The maker or host of the video explains what chords to use for the song, and all you must do is follow along. If you are having trouble understanding how to position your fingers, simply view the information tab at the right to view the finger positioning. If you are still having trouble, Google the...

How To: Fix a leaking toilet flapper valve

If you are having trouble with a leaky john, check out this helpful tutorial. In this video, you will receive step by step instructions for how to clean the mating surfaces on a toilet flapper valve to prevent unwanted water leaking from the tank into the bowl. So, if you are having this problem, you will have it fixed in no time with this video.

How To: Walkthrough Zoo Escape - Levels 1-20 - All Stars

If you're having trouble with any of your Zoo Escape levels and are looking for that extra hint then this is the perfect guide for you. Tasselfoot has a full level 1-20 walkthrough with all stars guide on how to get through the game. Tasselfoot shows each step by step of each level and makes it look easy, and considering all you need to do is mirror his actions, this will take away all your frustration and impatience as you will fly through every level. So what are you waiting for check out t...

How To: Make an amazingly moist and juicy roast turkey

Turkey doesn't just have to be served for Thanksgiving! You can make it any time year round and it'll still taste great! But if you're having trouble keeping it moist and tasting delicious, there's a way to make moist and incredibly juicy with a few prep tricks. In this video you will learn how to make a moist and juicy turkey in just a few easy and simple steps.

How To: Create button events in Adobe Flash Professional CS5

Having trouble buttoning buttons? Never fear: Whether you're new to Adobe's popular Flash-development platform or a seasoned web developer looking to better acquaint yourself with the new features and functions of the latest iteration of the application, you're sure to benefit from this free software tutorial. For more information, and to get started making your own Flash-based twinkling starscapes, watch this video guide.

How To: Update your Nook software via USB connection

Keeping your Nook e-reader from Barnes and Noble up to date is a great idea because each new firmware update includes cool new features. If you are having trouble updating your Nook or are not sure how to get started, follow along with this tutorial. In this clip you will get a step by step on how to install your updates via USB.

How To: Turn pages on your Nook e-reader by swiping

Swiping is a fun and fast way to get from page to page while reading on your Nook. Instead of using the page turn button you can simply swipe your finger in one fluid motion to move the pages along, just like a real book! Some people have trouble with the swipe motion and if you are one of them, let this video help you out. Happy reading!

How To: Locate the mouse cursor when using Mac OS X

Have trouble finding the Mac OS X mouse cursor? With the freeware application Mouse Locator, it's easy! So easy, in fact, that this Apple accessibility guide can present a complete walkthrough of the process in just over a minute and a half. For details, as well as to get started making it easier to find your own mouse cursor, watch this helpful how-to.

How To: Grow plants, flowers and vegetables organically

While organic gardening might sound like a complicated endeavor, you'll find it's actually considerably less trouble to work with nature than to constantly fight against it. This green gardener's guide from the British National Trust presents a primer on the subject. For more information, and to get started creating your own organic flower or vegetable garden, take a look.

How To: Remove spaces from a Microsoft Excel formula

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 619th installment in their series of digital spreadsheet magic tricks, you'll see how spaces in cells cause trouble in formulas and learn how to use the REPLACE, COUNTIF, CLEAN & TRIM functions to solve space-related formula problems.