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 practi ...more

Need help figuring out how to solve simple algebraic equations? 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, ...more

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. With this installment from Internet pedagogical sup ...more

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 718th installment in their series of digital spreadsheet magic tricks, you'll learn how to find th ...more

So you need to find the p-value for your hypothesis test. To do so, employ the spreadsheet program Microsoft Excel. Using a simple formula, you can easily determine the p-value for your tests and thereby conclude strong or weak support of the null hypothesis. Probability valu ...more

When you have to find the average of two or five numbers then you have to add all the numbers and then divide then by two or five respectively. However in the case of the function you have infinite many values over any interval. But it is not possible to add all and then divid ...more

Need help figuring out how to discover the place value of a decimal number in basic arithmetic? 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 ...more

Need help figuring out how to discover the place value of a whole number in basic arithmetic? 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 ...more

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 178th installment in their series of digital spreadsheet magic tricks, you'll learn how to alculat ...more

Love Microsoft Excel? This clip contains a tip that just might induce you to. With this free video tutorial from ExcelIsFun, the 36th installment of his "YouTubers Love Excel" or YTLE series of free video MS Excel lessons, you'll learn how to use the VLOOKUP function to determ ...more

In this tutorial, we learn how to use a unit circle to find trig values. The unit circle has a radius one, use the definition of the trig functions to figure this out. Write them down if you need to, to remember what they are. You will also need two special triangles to help f ...more

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. With this installment from Internet pedagogical sup ...more

If you use Microsoft Excel on a regular basis, odds are you work with numbers. Put those numbers to work. Statistical analysis allows you to find patterns, trends and probabilities within your data. In this MS Excel tutorial from everyone's favorite Excel guru, YouTube's Excel ...more

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 ...more

If you use Microsoft Excel on a regular basis, odds are you work with numbers. Put those numbers to work. Statistical analysis allows you to find patterns, trends and probabilities within your data. In this MS Excel tutorial from everyone's favorite Excel guru, YouTube's Excel ...more

If you use Microsoft Excel on a regular basis, odds are you work with numbers. Put those numbers to work. Statistical analysis allows you to find patterns, trends and probabilities within your data. In this MS Excel tutorial from everyone's favorite Excel guru, YouTube's Excel ...more

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 568th installment in their series of digital spreadsheet magic tricks, you'll learn how to calcula ...more

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 ...more

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 517th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the ...more

View the absolute value of a number as its distance from zero. When you take the absolute value of a number, you always end up with a positive number (or zero). Whether the input was positive or negative (or zero), the output is always positive (or zero). For instance, | 3 | = ...more

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 and Mr. Excel, the 43rd installment in their joint series of digital spreadsheet magic tricks, you'll l ...more

The 5.56mm high value pistol isn't the most powerful gun in Fallout New Vegas, but That Gun, the rare weapon version of it, is quite a bit more powerful. Watch this video to learn how to find and acquire That Gun. From the Creator: It's located in Novac, inside the Dino Bite ...more

There are at least 24,000 different Android devices, and they all have varying hardware components. This is why many developers publish several unique variants of their apps, which, among other things, helps accommodate all of the different display sizes and resolutions on And ...more

Learn how to determine the equation of a line with this tutorial: The equation of a line can be determined by two given conditions. 1. The line passing through a single point with a given slope. 2. The line passing through two points. 1. Equation of the line passing through ...more

The video shows us how to find the area of parallelogram using geometry. Here in this video it is done by using an example where the parallelogram is given ABCD. The area of the parallelogram is base times height (bh). Here the base is given as 15 but the height is not known b ...more

First of all in the given question you have to write down the values of the total length of the line segment, PS=15. The length of the line segment, QR =3. Now you have to find the value of line segment RS. Because you know that the Q is the midpoint of the line segments PQ an ...more

In this video the instructor shows how to find a formula describing direct variation between two variables. Variation between two variables can be either direct variation or indirect variation. If a variable y is in direct variation with a variable x we can write the general e ...more

In this video the instructor teaches about direct and inverse variation. Two variables x and y are said to be in direct variation with each other if you can write them in the form y = K * x. The value of y varies directly corresponding to the value of x. Y is said to be direct ...more

The video shows us how to solve a system of equations with the elimination method. First write the two equations one on top of the other, as it is going to be elimination method and it is recommended to write it in that way. Here the 2 equations are x+y=-3 and x-y=1. In the el ...more

In this video the tutor shows how to solve the missing ratios or proportions. He explains it with an example, where a number in one of the ratios is missing and he intends to find this value. He shows the example of cross multiplication, where you multiply the values on the ei ...more

In this algebra video the instructor shows how to work with complex numbers. When you have a positive number under the square root, you can easily find its value by writing it in the form of product of numbers, and then solving. That is, to find the square root of a positive n ...more

ExcelIsFun will show you how to use indirect text and substitute in Excel. Select any date and product and create an intersession. Use Vlookup to look up your columns. Use the match function to find the value range. To do the same thing with dates, highlight the dates and name ...more

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 ...more

Camera shake is often an unwanted effect in photography, when a telephoto lens or long shutter speed has been used for a camera that hasn't been stabilized. The images subject to camera shake appear blurry and smeared, which is often considered an error - though some photograp ...more

In this math lesson we will learn how to solve a proportion word problem. Watch the video to learn how to set up a proportion, solve it, and interpret the answer. Definition A proportion is a statement that two ratios (or fractions) are equal. The cross products of the terms ...more

Welcome back! In our last training session we covered classes and how OOP can make programming/scripting easier. Today we'll be taking a breather and covering something fairly simple, bitwise operators. Bitwise operators are relatively simple. Essentially, when we use bitwise ...more

Nerds get a bad rap most of the time, but on Halloween, everyone wants to be one. However, not everyone knows how to geek it out without going too far. There is a limit, even for nerds, and these eight Halloween costumes are nerdy times pi. #1. Mozilla Firefox Costume Dressi ...more

Welcome back, my novice hackers! I have tried to emphasize throughout this "Hack Like a Pro" series that good reconnaissance is critical to effective hacking. As you have seen in many of these hacks, the techniques that we use are VERY specific to the: Operating system, Serv ...more

If you haven't read the last article, feel free to stop by and give it a read, but abstaining from reading it will not, for the most part, be detrimental to your understanding. Today we are going to explore some of the inner workings of Bitcoin. As we previously learned in th ...more

Format strings are a handy way for programmers to whip up a string from several variables. They are designed to save the programmer time and allow their code to look much cleaner. Unbeknownst to some programmers, format strings can also be used by an attacker to compromise the ...more

Hi, everyone! Recently, I've been working on a pretty interesting and foolish project I had in mind, and here I'm bringing to all of you my findings. This guide's main aim is to document the process of building an Android kernel, specifically a CyanogenMod kernel and ROM, and ...more

SCRABBLE. To some it's just a game, but to me it's life or death. Well, not really, but it feels that way anyway. On a normal weekend, a game becomes much like Jon Thomas' "friendly game of death Scrabble." Video: . When I'm playing a game of SCRABBLE, my friends are not frien ...more

Many FarmVille farmers want money fast, or experience fast, or want to level up, or want to speed things up— make and earn things faster. No matter how long they play, they're not getting what they want, and that is to outshine everybody else. But you can't reach the top by si ...more

In a recent arbitrage tip, we showed you the secret to making money fast by buying and selling the same thing over and over again on eBay. But there's one thing you need to know about the buying part—get the lowest price possible! This article aims to show you some of the best ...more

It's easy to lose oneself when playing Minecraft and easier still to get plum lost. That's why it's always good to have a compass on hand. No compass? No problem. There are, in fact, no fewer than seven methods at your disposal for finding true north in a Minecraft world. Bett ...more

If you're looking to acquire the newest iPod model or latest Xbox without breaking the bank, your first stop would probably be eBay, maybe even the Amazon Marketplace, or any of the other reputable online marketplaces and auction sites. But you probably haven't hit up the penn ...more

There's a whole lot of brouhaha going on right now about the hidden plug-ins being installed unknowingly in the Mozilla Firefox web browser, with companies like Apple, Microsoft and even Google being named top offenders. Mozilla's own Asa Dotzler (pictured right) is fed up wi ...more

Getting used to your new Firefox 4 web browser? If so, you might have seen some improvements in the Location Bar. The updated features make browsing the web a cinch, so it's no wonder why more and more Internet junkies are calling it the Awesome Bar. It's faster and easier to ...more

Want to make a wireframe for something that's ultimately going to end up on an iPhone 4 or Google Android smartphone? This quick clip offers some advice. Whether you're new to the Omni Group's popular task management application or simply wish to get better acquainted with the ...more

In this clip, you'll learn how to go about creating behaviors for use within Apple Motion 4. Whether you're new to the Apple's popular motion graphics editor/compositing application or are a seasoned digital video professional simply wishing to get better acquainted with Motio ...more

Want to create an Action list in OmniFocus? See how it's done with this free video guide. Whether you're new to the Omni Group's popular task management application or simply wish to get better acquainted with the program, you're sure to find value in this free tutorial. For m ...more

This clip covers how to add motion to hair within Apple Motion. Whether you're new to the Apple's popular motion graphics editor/compositing application or are a seasoned digital video professional simply wishing to get better acquainted with Motion 4, you're sure to find valu ...more

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 664th installment in their series of digital spreadsheet magic tricks, you'll learn how about how ...more

Need some help figuring out how to generate multilevel list styles within MS Word 2007? This clip will teach you what you'll need to know. Whether you're new to Microsoft's popular word processor or just wish to get to know Word 2010 a little better, you're sure to find much o ...more

Want to tweak built-in table-of-content styles in Microsoft Word 2007? This guide will show you precisely how it's done. Whether you're new to Microsoft's popular word processor or just wish to get to know Word 2007 a little better, you're sure to find much of value in this vi ...more

Need a primer on how to create custom table styles within MS Word 2007? You've found it! Whether you're new to Microsoft's popular word processor or just wish to get to know Word 2007 a little better, you're sure to find much of value in this video lesson. For more and better ...more

Want to know how to make custom styles within Word 2007? This clip will teach you everything you need to know. Whether you're new to Microsoft's popular word processor or just wish to get to know Word 2007 a little better, you're sure to find much of value in this video lesson ...more

Whether you want to be subtle or brash, the greatly improved HDR features in Photoshop CS5 are worth a close look. This tutorial presents an overview of Photoshop's new HDR Pro and HDR Toning high dynamic range functionalities. Whether you're new to Adobe's popular image editi ...more

Want to create a fast layer mask in Photoshop CS5? It's easy. Learn how with this video guide. Whether you're new to Adobe's popular image editing software or a seasoned graphic design professional just looking to better acquaint yourself with the unique features of Photoshop ...more

Part of your image too dark? The solution might be a few clicks away. Learn how to use the new color dodge tool within Adobe Photoshop CS5. Whether you're new to Adobe's popular image editing software or a seasoned graphic design professional just looking to better acquaint yo ...more