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How To: Find indefinite integrals or antiderivatives in calc

Need help figuring out how to calculate indefinite integrals or antiderivatives 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 derivatives with the quotient rule in calculus

Learn how to use the quotient rule to find 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 find the derivative ...

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: Find the slope of a tangent line to a curve in calc

Learn how to find the first derivative 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 the slope of a tangent line ...

How To: Use the chain rule to find derivatives in calculus

Need help finding the 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 derivatives using the chain rule.

How To: Use the order of operations to evaluate expressions

Need help figuring out how to tackle complicated mathematical expressions? 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 use the or...

How To: Solve logarithmic equations in pre-calculus

Need to know how to work with logarithms in pre-calculus? You're in luck. 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 work with l...

How To: Work with 30°-60°-90° triangles in geometry

Need help solving problems involving 30°-60°-90° triangles? You're in luck. 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 work with...

How To: Work with 45°-45°-90° right triangles in geometry

Need help solving problems involving 45°-45°-90° right triangles? You're in luck. 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 wor...

How To: Multiply decimal numbers in basic arithmetic

Need help figuring out how to multiply decimals in basic math? 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 multiply any two decim...

How To: Solve ratio problems in basic mathematics

Need help figuring out how to work with ratios? Look no further than 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). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn...

How To: Graph the sine function in trigonometry

Learn how to use the unit circle definition of the sine function to make a graph of it. 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 ...

How To: Determine whether 2 triangles are similar in geometry

Looking for instructions on how to determine whether two triangles are similar in geometry? 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 equation of trig functions by their graphs

Need to know how to determine the equations of trigonmetric functions by inspecting their graphs? Learn how. Learn how to use trigonometric functions to calculate the sides of a right triangle. Need to know how to solve a matrix-form linear equation 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 f...

How To: Find the sides of a right triangle with trig functions

Learn how to use trigonometric functions to calculate the sides of a right triangle. 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 ...

How To: Increase a number by a percentage in basic arithmetic

Need to know how to grow a quantity by a percentage? Learn 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 installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to increase a number by ...

How To: Convert between mixed numbers and improper fractions

Need to convert mixed numbers to improper fractions and improper fractions to mixed numbers? Learn 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 installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, y...

How To: Carry numbers when adding in basic arithmetic

Need to know how to carry numbers when adding in basic mathematics? Learn 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 installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to carry ...

How To: Solve multivariable linear equations

Looking for instructions on how to solve linear equations with multiple variables and constant terms? Look no further. 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 ma...

How To: Calculate the slope of a line in algebra

Looking for a guide on how to figure out the slope of a line in basic 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 calcul...

How To: Make and distribute a successful podcast

Podcasts are quickly becoming the new Blogs. They are fast and easy to distribute and really get the point across because you can hear the person's voice. A podcast is sort of like the Internet's version of a radio show, only you don't need to get a job as a DJ to make one. Podcasts are free and easy to make on your own and you can send them out however you want. These days, even iTunes has a channel dedicated exclusively to podcasts.

How To: Add rational expressions 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). With this three-part installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to sum rational expressions in algebra.

How To: Graph radical functions in college 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 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 graph a rational function in college-level algebra.

How To: Find the HomeGroup password in Windows 7

This video tutorial teaches how to find homegroup password in Windows 7. For this you should be using the computer which is part of the homegroup. The way to check this is by going to the control panel and clicking on network and internet link. In the ensuing window the network and sharing center link is clicked. This will show if the computer is connected to the home group. On confirming that the computer is connected to the homegroup, now navigate back to the network and internet link, and ...

How To: Delete web browser cookies

Veronica Belmont shows how to get rid of browser cookies. She starts with explaining what a cookies is, that it is a small file downloaded to the computer from the internet so that the website can remember more information about the users, which she says is quite helpful if you visit a website regularly. She also explains about some malicious cookies which track user actions and report to websites. She now explains how to open options in Firefox browser or settings in Internet Explorer and wh...

How To: Jerk (dance) - "Pin Drop & Break Leg"

JusJerk and Jerk dance crew, the Stick Figures demonstrate how a "Pin Drop" is done in the world of Jerking, and later, how variations of the Pin Drop (sometimes also referred to as the "Knee Drop") can lead to multiple Pin Drops in a row and/or some pretty impressive acrobats. Later in this tutorial, the Stick Figures show how to do "The Break Leg Pin Drop" by dipping and "breaking the legs". We're guessing they mean this figuratively.

How To: Check your internet speed and avoid spam traps

To test how fast your internet speed is an intermediate level skill. Start by picking an internet speed test. You can use Google or another search engine to find one. A service that is recommended in the video is DSLreports. This site does not require you to know a lot of information about your service. To test your speed start by picking a city that is near to you. Then shut down all tabs and every application that you have running. It's important to do this on every computer on your home ne...

How To: Make Internet Explorer as fast as Google Chrome

The first step to make Internet Explorer as fast as Google Chrome is to download Google Chrome Brain. Google Chrome Brain is a software program that allows you to manage and customize settings for higher performance in Google Chrome. After your download is complete for Google Chrome brain you must then install the program. After the program has completed it's installation you can choose from various settings to optimize performance. The narrator in this video explains that the simplest way to...

How To: Add lyrics to iPhone or iPod

In this video you will learn how to add lyrics to your iPhone or your iPod player. To do that just follow these instructions from the video. If your iPhone or iPod is jailbroken go into Cydia or Icy and download the TuneWIKI application. This application works as a media player and can put or find lyrics for your songs but you will need internet connection(3G, EDGE, Wi-Fi). Another way is to copy the lyrics from the internet and then you need to open iTunes. After that right-click the song an...

How To: Calculate a t-statistic confidence interval for a small sample size

Want to find the value of a t-statistic confidence interval for a small sample? This clip's your ticket. 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. For all of the details, watch this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials.

How To: Calculate Type I (Type 1) errors in statistics

Need a quick primer on how to solve type-1 error problem in stats? Let this video be your 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. For all of the details, watch this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials.

How To: Use one-tailed and two-tailed tests in statistics

Can't make heads or tails of one- and two-tailed tests? Never fear. This stats 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. For all of the details, watch this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials.

How To: Calculate the confidence interval in basic statistics

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 calculate a confidence interval in basic statistics.

How To: Find a 95% confidence interval for a proportion in statistics

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 find a 95% confidence interval in statistics.

How To: Clear Your Cache for Windows

In this video, we learn how to clear your cache for Windows. The cache is where temporary internet files and information is saved on your browser. A lot of times, if this isn't cleaned out, your computer will go a lot slower. To do this, you will go to Internet Explorer and then click on the tools menu in the right hand corner of the page. After this, select 'delete browsing history' and then click 'delete files'. After this, click on 'yes' and it will load. When it's finished, your cache wil...

How To: View the internet on your iTouch or iPhone

In this video, we learn how to view the internet on your iPod Touch or iPhone. First, you will need to look for the Safari sign on the bottom of your phone. From here, you will be led to the Google home page. You can click on the box to get the on-screen keyboard and type in what you want to search for. After this, the results page will show up. To go to a website, you just simply need to type the exact site into the address bar and then it will load for you! This is simple and easy, just tak...

How To: Tether an iPhone 3G or 3GS

In this tutorial, we learn how to tether an iPhone 3G or 3GS. First, go to Cydia, then manage, then sources, and add "sinful iphone repo" to your phone. Now, click into the source and find the text that says "enable tethering" and choose which phone you have. After this, you will see that the tethering is installed, then continue and confirm. Then, go to settings, general, network, and it should say "internet tethering" towards the bottom of the screen. From here, you can restart your phone a...

How To: See how a website used to look with the Internet Archive's Wayback Machine

Wish you could see how your favorite website looked like a year or two ago? With the Internet Archive's Wayback Machine, it's easy! So easy, in fact, that this home computing how-to from the folks at Easily can present a complete (and somewhat talky) overview of the process in just over three minutes' time. For the specifics, and to get started setting up and using the Wayback Machine yourself, just watch this handy how-to.