In this video the instructor shows the different methods of solving quadratic equations. There are many methods to solve quadratic equations each with its pros and cons, each method suitable for a particular situation. The first method to solve quadratic equation is factoring. ...more

In this video tutorial the instructor shows how to solve equations by the comparison method. In this method he isolates either the x or y variables in both the equations and now compares the other side of equations directly to derive the value of the other variable. Now this d ...more

Hello again, and welcome back to another tutorial on functions, this time, covering recursion. What Is Recursion? Recursion is the calling of a function within itself so that it repeats the process, kind of like a loop. Recursive functions are used in situations where a prob ...more

To some, SCRABBLE is just a board game to play during family game night or during a casual get-together. Others think of SCRABBLE as a mere hobby. But with any activity, there will always be fanatics—the ones who would rather sell their soul than stop—the ones with a constant ...more

Solving 6 math problems using different methods is the idea behind this video. First, you make three rows of numbers vertically from 1-9. All the numbers match across for example, 1 1 1, 2 2 2, 3 3 3, and so on. Each set of numbers creates a mathematical problem who's solution ...more

New to eBay? Don't worry, setting up an account and buying and selling doesn't take that much effort at all. Everyone who has an Internet connection has at one point come across eBay, to find the perfect gift for their loved ones, to find the cheapest deals on plasma televisio ...more

Here's my interpretation of Gustav Stickley's No. 603 tabouret. This little round table works great in almost any decor. The construction of the table looks deceptively simple, but it has its fair share of challenges. You have to be accurate and precise in the execution of th ...more

Are you looking for a way to make your Microsoft Excel formulas simpler, faster and more efficient? If so, you're in the right place. With this free video lesson from everyone's favorite digital spreadsheet guru, YouTube's ExcelsFun, the 2nd installment in his "Excel Formula E ...more

First off, don't be frustrated. YOU CAN DO IT! Contrary to the message in the image above, it's NOT over. It's just beginning. And when it comes to solving the New York Times crossword puzzle, the old cliche does apply: practice makes perfect. I've read quite a few books and ...more

Need a little help solving the Rubik's Cube? This video tutorial will show you how to solve the mighty Rubik's Cube like you've never down before. Well, actually, not really, this is simply for beginners. If you're a beginner, then try this cross method out. Then, you can go t ...more

One formula that you will run into in Calculus is calculating the percentage growth rate using a logarithmic derivative, elasticity of demand, relation among elasticity of demand and also revenue. In this video you will learn the different formulas that are used, methods of so ...more

Need to know how to use your Texas Instruments graphing calculator for your college math or statistics class? You're in luck... watch this video tutorial to see how to use ANOVA with a TI-83 graphing calculator. What is ANOVA? One-way Analysis of Variance. Researchers at Purd ...more

This how to video describes how to solve a Rubik's Cube by using a variety of methods. This is perfect for the puzzle solving game addict or anyone clueless about Rubik's Cube. The author observes different crosses and patterns on the Rubik's Cube and uses them to complete alg ...more

Having problems with cubes. For some people, mathematics doesn't come easy, but there are tricks to solving certain problems, like squares and cubes. Check out this math video tutorial to learn how to get cubes in math with mysterious Vedic methods. This is a mysterious metho ...more

A video from The Free Math Tutor that shows you how to use graphs to solve simple linear algebraically problems in mathematics. This video is introductory in nature and teaches the viewer, proper plotting methods on graphs. The presenter also teaches you how to choose a proper ...more

In this Math Made Easy tutorial the instructor shows how to multiply rational equations. He states that multiplying rational equations is simply a process of simplifying equations, in which he says that first the polynomial equations should be factorized. He further shows how ...more

Use different methods to get faster at solving the Rubik's Cube. Some of these you can figure out yourself, but is that going to stop you from watching this video? I don't think so.

You're confused? You don't know what a Rubik's Clock is? Well, like most lazy gamers, you thought the buck stopped at the Rubik's Cube, but you were wrong. The Rubiks Clock is a two-sided puzzle -- two sided? How could two sides compare to the six-sided puzzle of notorious fa ...more

The crime procedural show is the perhaps the most direct path to the average TV viewer's heart. Could the same hold true for augmented reality games? Exhibit A: Forensic Detective: Inside the Crime Scene, a new, iOS-only mobile game for iPhones and iPads, that will be availab ...more

Sherlock Holmes is one of the most famous characters in modern history, and has appeared in film more often than any other character. No less than 78 different actors have taken their turn at portraying the enigmatic deduction machine in various mediums, and each has brought t ...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

Boozing it up at work might have been okay back in the days of Mad Men, but today, employers prefer that their workers stay sober. What you and your bosses probably don't know is that a little drinking on the job can actually increase your creative capacity and problem-solving ...more

Welcome back, my tenderfoot hackers! As hackers, we often are required to get past antivirus (AV) software or other security measures. To do so effectively, we need to have some understanding of how AV software works. In this tutorial, we will take a cursory view of how AV so ...more

Need a little help solving the first part of the Rubik's Cube puzzle? The F2L (First Two Layers) could be tricky, and could get you back to square one if you don't know what you are doing, but don't worry, you'll be able to solve that Cube in no time. Check out this two-part ...more

\When both equations in a linear system are in the form Ax + By = C, you can solve the system using elimination. How is this method different from substitution? The idea behind the elimination method is to create a new equation from a combination of the original equations in t ...more

First you'll need a Rubik's Cube, then you'll need to play with it, then you'll need to learn how to solve it, then watch this video. Everything is explained kind of quickly. Oh, one more thing, you should be able to solve it in around one minute. Okay, now watch.

In this video the author shows how to solve a Rubik's Cube using Peter's method. He says that he is not going to give any algorithm or step by step procedure but that he intends to give an over view of how to solve a Rubik's Cube. He starts with the basics of Peter's method. H ...more

If you've wanted to solve the Rubik's Cube, there's no better tutorial than this. In this video, you'll learn how to solve the Rubik's Cube with the Fridrich Method. The first video shows you the basic cube notation and how to work it, along with an introduction to the Jessic ...more

Here is a detailed two-part explanation of the LBL method (the beginner's method), for solving the Rubik's Cube, or Eastsheen Cube. Need I say more? Part 1 of 2 - How to Solve the Rubik's Cube with the LBL method. Part 2 of 2 - How to Solve the Rubik's Cube with the LBL method.

Are you a beginner Rubik's Cube solver? Can't quite figure it out yet? Too slow? Well, solving the Rubik's Cube is easy, but solving the Rubiks Cube fast is hard, just keep that in mind. This three-part video tutorial will show you how to solve the mighty puzzle with the begi ...more

This is a beginner's method to solving the classic 3x3 Rubik's Cube. It uses the "Green Cross" method, and can be learned in a few hours to a week, depending on how smart you are. Watch all three videos to solve it, and not only that, you will even see the inner workings of th ...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

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

A great way to rack your brain is by trying to solve a puzzle, so grab your puzzle and get solving! If you need a little help, this two-part video tutorial will show you how to solve the classic Rubik's Cube F2L with the Fridrich Method. The 3x3 Rubik's Cube is one of the most ...more

Check out this three-part video tutorial on how to solve a Rubik's Cube with the Jessica Fridrich Method. Are you not familiar with Mrs. Fridrich? Then that means you probably only know how to solve the Rubiks Cube the easy way. Get fast with that puzzle and learn it the faste ...more

Solving puzzles can be hard, especially when it comes to Rubik's Cube. Erno Rubik's puzzles are extremely difficult, three-dimensional mechanical cubes, unless you're determined and can handle a few mathematical algorithms, then they're easy, or at least not impossible. Watch ...more

Find out a new way to solve the Rubik's Cube made famous by Erno Rubik, master puzzle maker. Try to get the OLL (Orientation of the Last Layer) using a new method that lets you look at the cube and figure out a two algorithm move solution to orienting them correctly. Just watc ...more

This video tutorial will teach you how to solve the F2L (first two layers) of a Rubik's cube with a Fridrich F2L Method. This is only the basics of solving the first step of the Rubiks Cube, which means no algorithms, just right positioning, and if you can get quick enough it ...more

These two videos will get you on your way to using the Fridrich F2L Method to solve the Rubik's Cube. What is F2L? The first two layers, of course. You'll see in this tutorial how the F2L in the Jessica Fridrich Method works, so that you will never have to learn the algorithm ...more

Solve the Rubik's Cube with the Fridrich f2l method using tips from this how-to video. Start by making a cross on one side of your Rubik's Cube. After that, flip over your Rubik's Cube and watch the video to learn exactly what to do next--do you think you're going to read it h ...more

In this video the instructor shows how to solve quadratic equation by the square root method. The square root property of equations states that if k is positive and a*a = k, then a is equal to square root of k or -1 times the square root of k. So to solve a quadratic equation ...more

In this video the instructor shows how to solve a system of equations by elimination method. First you need to know how many possible number of solutions you can get by solving a system of equations. There are three possibilities. In the first case there are two lines with dif ...more

This is a video tutorial on how to solve a 2x2 Rubik's cube using the Ortega method. The tip from the author is to go for the color whose maximum squares are already together. It is also pointed out that not only does the Ortega method involve three steps, which is time consum ...more

A great way to rack your brain is by trying to solve a puzzle, so grab your puzzle and get solving! If you need a little help, this video tutorial will show you how to solve the Rubik's Cube F2L with the Keyhole Method. The 3x3 Rubik's Cube is one of the most baffling puzzles ...more

This is a video tutorial on how to use the 2-Look PLL method to solve the Rubik's Cube. You'll be able to solve the PLL (Permutation of the Last Layer) using only six algorithms as opposed to twenty-one algorithms that are required for the Fridrich PLL Method on the Rubiks Cub ...more

Want a new way to solve the OLL (Orientation of the Last Layer) on a Rubik's Cube? Well, go no further, this video tutorial will show you how to use the 2-Look OLL method to solve the Rubik's Cube. The 2-Look OLL is simply the Fridrich OLL step, but done in two stages so that ...more

Want to learn how to solve the mysterious Rubik's Cube? Well in this video, the viewers will be taught how to do so with the "Ortega method". The video provides a demonstration of this method with a 2x2x2 Rubik's Cube. At each step, the video breaks down the cube into differen ...more

Solving puzzles can be hard, especially when it comes to Rubik's Cube. Erno Rubik's puzzles are extremely difficult, three-dimensional mechanical cubes, unless you're determined and can handle a few mathematical algorithms, then they're easy, or at least not impossible. Watch ...more

You can solve a Rubik's Cube, right? If not, you're in the wrong place, because this is not for beginners. You need to already be a genius before you can be a master solver, so go back to school, go back to watching television... go back to your mother, because you're not read ...more

This video teaches you how to use substitution to find the point on a graph (the x and y coordinates) where two separate equations would cross. Substitution is a trick of algebra that allows you to find this point without making a graph. The first step is to isolate one of the ...more

This video is about using the elimination method to solve a linear system. The lady presenting this video says that elimination method means that one of the two variables has to be eliminated while adding up the two linear equations. She then explains the example equations 6x- ...more

Elimination in mathematics is used to find the solution set of a system of equalities. This video tutorial shows how to use elimination to find the solution set of a given equation and offers several examples to illustrate the process. Before applying this method, the equation ...more

One of the most highly-cited drawbacks to the HoloLens is its limited field of view (FOV), but now it appears that Microsoft has solved that problem. Based on patents filed in April with the World Intellectual Property Organization and discovered via MSPoweruser, the method i ...more

When traversing the web, you'll regularly come across websites that require you to create an account. With the majority of these accounts, protection is limited to a simple password. Despite this, many people are still using weak passwords such "123456." For these reasons, you ...more

Using a strong password is critical to the security of your online accounts. However, according to Dashlane, US users held an average of 130 different accounts in 2015. Memorizing strong passwords for this many accounts is impractical. Fortunately, password managers solve this ...more

Over the years, the internet has become a dangerous place. As its popularity has increased, it has attracted more hackers looking to make a quick buck. However, as our dependency on the web grows, it becomes increasingly difficult to sever all ties. This means we have to prote ...more

This is an intermediate guide on how to easily fix or retrieve data from a bad hard drive. What we're trying to do: 1. Fix a hard drive with a corruption problem (i.e., blue screen) or that is full of viruses to the point of being inoperable. 2. Retrieve data from a hard dr ...more

Well, first things firsts, it's been awhile! I'm sorry the series has been dead for a little bit, but I recently hit some personal relationship issues and needed to take some time to think. But, now that it's all said and done, the dust can settle and we can start training aga ...more

While at work, you notice your gloves changing color, and you know immediately that you've come in contact with dangerous chemicals. Bandages on a patient signal the presence of unseen, drug-resistant microbes. These are ideas that might have once seemed futuristic but are bec ...more

I'm an Android user. Over the course of the past seven years, I've owned ten different smartphones—all of them powered by Android. This isn't due to some blind trust in Google or some unfounded hate for Apple, either, because I've always made sure to get my hands on each iPhon ...more