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How To: Find the sum of an infinite geometric series

Need some help finding the sum of an infinite geometric series? See how it's done with this free geometer's guide. 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 determinants with a TI-83 calculator

Looking for a primer on how to find determinants using a TI-83 graphing calculator? See how it's done with this free video math 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: Solve vector field integrals in calculus

This video demonstrates that, unlike line integrals of scalar fields, line integrals over vector fields are path direction dependent. See how to solve vector-field integrals with this free video calculus 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: Do matrix algebra on a TI-83 calculator

Looking for a primer on how to solve matrix problems using a TI-83 graphing calculator? See how it's done 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).

How To: Find the slope of a line in mathematics

Need to know how to calculate the slope of a line? This free video algebra lesson will teach you everything you'll need to know. 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: Compare fractions using inequalities

Compare fractions with inequalities! Watch this video lesson to see how. 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 free math tutorial, you'll learn how to evaluate fractions using inequalities.

How To: Use Facebook's Privacy Scanner for Firefox on a Mac

Facebook privacy has been a big issue in the news lately. You can never be too careful when you put your information on the Internet. In this tutorial, learn how to download a very cool new application for Firefox called "Facebook Privacy Scanner". This tool is installed in your Firefox browser and helps you stay on top of your Facebook and information.

How To: Find the domain of a function without graphing

Want to find the domain of a function without graphing it? Learn how with this free video 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 and sketch the domain of a multivariable function

Looking for a primer on how to find and sketch the domain of a function z = f(x, y) in calculus? Learn how with this free video calc 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: Work with continuous random variables in calculus

Looking for a primer on how to work with BRIEF probability density functions and continuous random variables in calculus? Learn how with this free video calc 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: Use eigenvectors & eigenspaces for a 3x3 matrix

Learn how to use eigenvectors and eigenspaces for a 3x3 matrix in linear 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).

How To: Calculate angles formed between parallel lines

Calculate the angles formed between parallel lines and a transversal. This free video geometry lesson will show you how. 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: Play a G blues pattern on the ukulele

There's no getting around it: if you want to get good at playing the ukulele or any other instrument, you'll need to practice. Fortunately, the Internet is awash in free, high-quality uke lessons, like this one from YouTube's preeminent tropical tutor, Ukulele Mike. This particular tutorial provides a detailed, step-by-step overview of how to play a simple G blues shuffle pattern.

How To: Strum on your ukulele

There's no getting around it: if you want to get good at playing the ukulele or any other instrument, you'll need to practice. Fortunately, the Internet is awash in free, high-quality uke lessons, like this one from Ukulele Underground. This particular tutorial provides a detailed, step-by-step overview of how to get started using basic ukulele strumming patterns. For more information, and to get started playing these strum patterns on your own uke, watch this helpful how-to.

How To: Tune up quickly when playing the ukulele

There's no getting around it: if you want to get good at playing the ukulele or any other instrument, you'll need to practice. Fortunately, the Internet is awash in free, high-quality uke lessons, like this one from YouTube's preeminent tropical tutor, Ukulele Mike. This particular tutorial provides a detailed, step-by-step overview of how to tune up. For more information, and to get started tuning up your own uke, watch this helpful how-to.

How To: Play movable barre chords on the ukulele

There's no getting around it: if you want to get good at playing the ukulele or any other instrument, you'll need to practice. Fortunately, the Internet is awash in free, high-quality uke lessons, like this one from YouTube's preeminent tropical tutor, Ukulele Mike. This particular tutorial provides a detailed, step-by-step overview of how to play barre chords. For more information, and to get started playing movable chords on your own uke, watch this helpful how-to.

How To: Apply club makeup with Michelle Phan

Looking for a new makeup look to try out for your next club outing? Try this look created by Internet makeup sensation Michelle Phan! Steal this look with help from this tutorial, showing you step by step how to apply cat winged eyeliner and bright lucious lips.

How To: Resize photos with automation in Photoshop

In this video tutorial by photoshopuniverse, from Free Photoshop Video Tutorials, shows you how to automate the process of resizing images using Photoshop, primarily for sending over the internet. The guide takes you through the step by step process of creating a new action to record the process of resizing an image. Using this recorded action, you will learn how to go about applying that action to an entire folder, which will resize all the images contained in that folder.

How To: Diassemble & open a iPhone 2G (1st generation)

In this video, learn how to crack open, dissaemble and take the back off an Apple iPhone 2G (1st generation). Advice from the Internet: Don't try this unless you have done like-attempts before successfully. It is very difficult to replace an IPhone 2G back cover with a new one, so beware!

How To: Make a proper Mojito

Scouring over the Internet for a Mojito recipe for your next get together? Well look no further! Here is a two minute tutorial on how to make a proper Mojito. Ingredients you will need: rum, limes, sugar, crushed ice, soda water or lemonade, and a handful of fresh mint leaves. Be prepared to be pleased!

How To: Use the Apple iPhone 3GS with this helpful guided tour

Thinking of buying the new Apple iPhone 3GS? This video tutorial straight from Apple is an iPhone 3GS guided tour, which takes you through a demo of the features of the fastest, most powerful iPhone yet. iPhone 3GS features video recording, video editing, voice control, up to 32GB of storage, a digital compass, mms messaging, internet tethering, voice memos, and more.

How To: Add photos to your MobileMe Gallery with iPhone

If you're out and about, and you take a great photo with your Apple iPhone, you can add it to your MobileMe Gallery with just a few taps. This video tutorial from Apple will show you it's as simple as clicking "Send to MobileMe". Then there will be beautiful pictures for all your loved ones to see, right from the Internet.

How To: Hide your photo albums in your MobileMe Gallery

On your MobileMe Gallery Homepage, your visitors can see all of the albums that you posted for them to view, but if there are photo albums that you don't want everyone to see, you can simply hide the album from Apple's MobileMe Gallery Homepage. This video tutorial will show you how to do it, right from your Mac or PC, with Internet of course.

How To: Let others download photos from your MobileMe Gallery

With Apple's MobileMe, you can easily allow your visitors to download beautiful, full quality photographs from your MobileMe Gallery. Check out this video tutorial for all of you newbies out there on sharing your pictures with friends and family, from the Internet. All this can be done, from the safety of your Mac or PC, with the world wide web.

How To: Photocast with iPhoto

With a MobileMe account and iPhoto, you can publish albums to the internet and allow your friends and family to subscribe to them using photocast sharing. Then, as you add new photos, iPhoto automatically updates the published albums for your subscribers. NOTE: MobileMe is the replacement for .mac accounts.

How To: Sleeveface

It's the new phenomenon that's sweeping the internet! It's Sleeveface. Just take an old vinyl record sleeve, cover a part of your body, and snap a photo. Instant art!