Can't remember how to convert Celsuis temperatures to Farenheit? If your old science lessons are escaping you, then your answer is here. Use the simple formula outlined in the steps in this video to make the proper conversion every time. Step 1: Multiply by 2 Multiply the tem ...more
Algebra – The Distance Formula. This video describes how to find the distance between 2 points of a graph in a step by step method. Made by Ya Math, the instructor assists the class in finding the distance between (6,8) and (3,4) by showing us the equation d=v((x_1-x_2 )^2+(y_ ...more
In order to solve a quadratic equation by completing the square, take a quadratic equation and make sure that the coefficient of the first squared term in one. If it is not factor it by pulling the term out to get it to one. Now just write down the first two terms in side a br ...more
In this tutorial the instructor shows how to perform a long division through an example. He gives a simple method where takes the first left most number, with minimum possible digits that can be divided by the divisor, and tries to divide it by the divisor and this gives the q ...more
In this video the instructor shows how to solve logarithmic equations. To solve a logarithmic equation, the first thing you have to do is try to get one logarithmic term if possible. To subtract two logarithmic terms use the formula Log (a) – Log (b) = Log (a/b). Now to get ri ...more
In this `Math Made Easy' tutorial the instructor shows how to perform Long Division. He gives a simple four step approach where in the first step he shows to divide the first left most number by the divisor and this gives the quotient. Now he shows to multiply the quotient wit ...more
A simple video showing how to subtract fractions with common denominators. The denominators is the bottom number of a fraction and the numerator is the top number. So in the fraction of one half 1 is the numerator and 2 is the denominator. If you have fractions with same denom ...more
For more advanced math, you will need to use the difference of squares in order to factor certain polynomials. This video offers the basic technique for this factoring method as well as a few examples to get you started. In order for this factoring technique to work, you will ...more
In this tutorial the instructor shows how to convert a improper fraction to mixed number. In the example the instructor takes the denominator of the mixed fraction and writes it beside and keeps adding it self to the latest number and he keeps on doing that way generating a se ...more
Watch this video to learn how to convert improper fractions to mixed numbers. For example, follow these steps. First step is one fraction value. For example 7/3. Second step is divide the numerator by denominator means when 7 divide 3 you can get remainder as 1. Means 7 before ...more
For anyone who has ever struggled with long division, this video offers some tips on how to perform this seemingly daunting task with relative ease. The example provided in this video is a very useful one and by following the steps of this video, you will be able to do long di ...more
The 2011 Toronto International Scrabble Open (TOSI) took place last weekend, with former World Champion Adam Logan beating out all of the human competition for the $3,000 grand prize. But when it came time to take on the Quackle program in the Human vs. Computer Showdown, he l ...more
Pythagoras was a smart man, so smart that his mathematical theory is named after him and still used today, more than 2,000 years later: the Pythagorean theorem. It implies that the square of the hypotenuse of a right triangle is equal to the sum of the squares of the other two ...more
This video is about Level 2 atomic concepts, specifically the Pennium Lab. This helps you understand how atomic masses are derived for the periodic table. This teacher demonstrates how to do the calculation. He first reviews the Isotopes as they are different masses of the sam ...more
Learn how to find the slope of a line in this math tutorial. Whether you're doing your math homework or trying to figure out how steep a mountain is, the slope of a line is simple to calculate and has many practical uses. You Will Need: • Graph paper • Pencil • Basic math ski ...more
Compulsive gambling is a recognized addiction, just like alcoholism or chemical dependency. Follow these steps to see if you might fit the profile. Recognize the signs of compulsive gambling with this guide from Howcast. You Will Need * A willingness to evaluate yourself * Ho ...more
This cool trick involves a little math, but you won't believe the results! Sometimes we use materials that require adult supervision... like scissors, so make sure you have friends and family around whenever you do magic tricks. You will need two sheets of paper and a black ma ...more
In this math lesson you will learn how to solve a system of equations. Watch the following video to learn how to translate a word problem into a system of linear equations. Two linear equations considered in the same time form a system of linear equations. A system of linear ...more
Solving math inequalities with fractions is easy when applying the rules presented in this video. • When you add or subtract the same number from each side of an inequality, the relationship between the two sides does not change. • When you multiply or divide each side of an ...more
Social networks like Facebook and Google+ are great for staying connected with family, friends and coworkers—even fans. But sharing and communicating with practically anyone in the digital realm has alienated us from most of the flesh-and-blood beings we see everyday—our neigh ...more
Tearing yourself to pieces trying to solve fractions in Microsoft Excel? Give this video tutorial from everyone's favorite YouTube Excel guru, ExcelIsFun, your undivided attention. With it, you'll learn how to use Excel to add and subtract fractions and mixed numbers as well a ...more
Take a look at this instructional video and learn how to use simple formulas in Microsoft Office Excel 2007 to add, subtract, multiply, and divide. For example, you can use a prewritten formula called the SUM function to find totals, such as your total monthly expenses. Excel ...more
When adding and subtracting integers, follow these math rules: Adding Integers (+) + (+) = positive (add the absolute values) (-) + (-) = negative (add the absolute values) (+) + (-) = ? (subtract the absolute values) (-) + (+) = ? (subtract the absolute values) Note: (+) me ...more
In a double-stuffed episode of Scam School, you'll learn how to fake ESP powers — a diabolical method to fake telepathy between you and a friend — and see a mind control trick from outer space with Scam School's first intergalactic student! The Setup To prove that you and yo ...more
In order to subtract mixed fractions, you'll need to look at the denominators carefully. If the denominators do not match, you'll need to find a common denominator. For example, 5 2/3 minus 3 4/5 do not have the same denominator. The lowest common denominator for them is 15. ...more
To find out the density of any given object there is a simple equation, mass divided by the volume equals the density. In this video a lady is showing how to get the volume of three objects using water. First the objects are measured on a scale to find out how much they weigh, ...more
This video demonstrates how to solve for X in algebra. The equation taken for this is 2X+4=10.The first thing you have to do to solve this equation is to get X by itself on one side of the equation. In order to do that you take the number that does not have X with it and do th ...more
This video shows the method to add rational expressions with different denominators. The first step in this process involves finding the LCD. After this is done, the numerator and denominator are multiplied by a specific number so that the fractions are rewritten with common d ...more
Learn how to add or subtract fractions with math in simple steps. First convert any story line you have into a fraction. Now you have to convert the denominators so that both the fractions have the same. To do so multiply both the numerators and denominators with the same numb ...more
The video shows the explanation of greatest integer function. This video explains this with the help of graphs. The video first describes the basic greatest integer function. This means the greatest integer less than or equal to the number gave. The graph of this function is d ...more
For people who are having problems with certain parts of geometry, this video will offer you advice on how to find a missing angle on the outside of a triangle when you are provided with the measurements of the other two angles in the triangle. Since the sum of the angles in a ...more
Since today (11/11/11) is the last 6 digit binary date this century, I thought we should look at some kinetic binary calculators. Matthias Wandel built a beautiful 6 digit binary computer out of wood. If you want to build one, he even gives you some more information and instr ...more
This video is about changing fractions to decimals. The teacher uses 1/2 and 1/3 as his examples. The first one, changing 1/2 to a decimal. First step is to divide your denominator into your numerator. So, you divide 2 into 1 and add the decimal to your 1 because 2 does not g ...more
This video demonstrates the quotient rule as applied to exponential expressions that appear in the form of, to use the word loosely, a fraction. The name, "quotient rule", refers to the fact that it applies to expressions which are divided by other expressions. The video begin ...more
Everyone loves Scrabble, but not everyone knows how to play the game properly. Yes, there is a set up rules that come with each game, but who actually wants to read them? Isn't it better to learn from a more visual approach? This video will teach you the basics of gameplay. I ...more
The concept of Scrabble and Words with Friends is the same—play words, score points, win. But the games require different strategy in terms of letter placement, premium squares, tile point values and word choices. Here's the main differences between the two games. Scrabble ha ...more
The developer community has already made some incredibly quick progress on implementing assemblers, interpreters, and emulators for the proposed virtual computer in 0x10c, Notch's latest game. But the truth is that the majority of programmers out there couldn't be bothered wit ...more
Have some time to kill between classes? Entertain your friends, or make new ones with this number prediction trick. Just make sure you have a calculator on hand and you’re ready to bring joy and amazement to the table. Your friends will think you can read minds when you use o ...more
This video presentation details the process of calculating a handicap in golf, in this presentation the handicap will be calculated on the USGA handicap system which is the official handicap system to be used in the United States. On each score card, there is a designation for ...more
It’s a game, it involves numbers, it’s fun, it’s KenKen! Understanding the goals and rules of this fun, numbers puzzle will give you the skills you need to win. Have fun working your brain and passing the time with KenKen. KenKen can be a great way to challenge your puzzle-so ...more
Wearing the correct size bra is the fasts way to improve your look. The correct size bra will make you look longer, leaner and younger, plus, it will help your clothes to hang better. If you can’t remember the last time you had a bra fitting then it’s time to bust out the meas ...more
This video shows the viewer how to fill in a standard golf score card. The video shows a man filling in a score card with fictitious scores to demonstrate how a card should be filled in correctly. The video also shows how to incorporate a player’s handicap into a scorecard. Fi ...more
Solving Equations with Fractions Using Addition In our first example, our equation is b - 11/10 = -13/5 We need to find out what the variable, 'b', is. A variable is a symbol that stands for an unknown number. To do so, we have to isolate the variable, meaning that we have t ...more
As much as it pains me to say it, without my phone, I would pretty much be useless. I can barely remember what I had for lunch yesterday, let alone all of the hundreds of numbers in my contact list. That's why whenever I forget my phone at home, I am pretty much stuck having t ...more
Confirmation numbers, grocery lists, addresses, and phone numbers are all things we need to quickly jot down on our phones, but the thing is, they're never extremely easy to access later. You have to figure out which app you wrote them in, meaning lots of needless searching an ...more
When it comes to your smartphone, you don't have to be a cheater to want a little privacy. I don't even like people playing Temple Run on my mobile because I don't want anyone beating the achievements I've been working on getting myself. That's why most utilize the lock scree ...more
Smartphones are still "phones," which means communicating with others is usually a primary use. Ranging from a simple "hi" to a more personal conversation and even sharing passwords, our messages should remain private so that only the intended recipient sees their content. Whi ...more
Unless you're using something like 360 Vault to store photos and videos, people you lend your iPhone to can easily browse through the gallery without you knowing. It makes me anxious just thinking about it. That's why I don't really like anyone using my iPhone, which leads me ...more
Before phones became mobile-gaming, music-playing, app-downloading devices, they were used simply to make convenient, cordless phone calls. There's so much on phones these days that a passcode is needed to keep everything secure, and making calls is now more complicated. On a ...more
Welcome back, my greenhorn hackers! I've been writing these Linux tutorials in an attempt to fill the void in the education of some aspiring hackers into the Linux operating system. There is a lot to know, and in this tutorial, we'll look at Linux file permissions. Step 1: Ch ...more
You should feel relatively safe to watch and post videos on TikTok, but like with any online service, you're always at the mercy of hackers. It's unfortunate, but anyone can become a target for arbitrary reasons. Maybe your TikTok videos are controversial. Maybe someone has a ...more
It's been a long-rumored feature, but today, VoIP calling has finally started rolling out to users of Google's Hangouts service. Essentially integrating Google Voice into the popular messaging platform, Google has given Android (as well as iOS) users an easy way to make calls ...more
|Choose Your View: Quick Bullet Points | Detailed Descriptions Android's newest major update is a special one — it's the tenth full version of the world's most commonly used operating system. The latest release, dubbed simply Android 10 (codename Android Q), was first showcas ...more
The most common Wi-Fi jamming attacks leverage deauthentication and disassociation packets to attack networks. This allows a low-cost ESP8266-based device programmed in Arduino to detect and classify Wi-Fi denial-of-service attacks by lighting a different color LED for each ty ...more
When Google introduced the Pixel 3 on October 9th, one of new additions they briefly mentioned was the Titan M security chip. While they did talk about how it will improve overall security, they didn't expand on the number of changes it brings to the Pixel 3's security. Well, ...more
With this year's iPhones, Apple built upon the success of the iPhone X in a somewhat iterative manner. All three phones borrow from the 2017 flagship's design, which many praised as being the best in years. They also tried to help those of us who don't have more than a grand t ...more
Avian flu is making the news again with new human cases in China reported in January. What does "avian flu" mean to you—and how dangerous is it? Each year you, or someone you know, probably gets a flu shot. The seasonal flu shot changes each year to reflect circulating influe ...more
Welcome back, my novice hackers! It has become clear from some of your questions that quite a few of you are unfamiliar with the hexadecimal system, or simply, hex. The hexadecimal system is used throughout computing and if you have never studied this Base16 numering system, ...more
What Is Pythagorean Theorem? Pythagorean Theorem is an equation discovered by a man named Pythagoras. It can be used to determine whether or not a triangle is a right triangle and find missing lengths of a triangle. The equation is: Parts of a Triangle The hypotenuse is the ...more
2 + 2 = 4. That's about as much math as I can handle without a calculator on a daily basis. I literally hate doing math more than anything in life, mostly because I'm not good at it—and I hate doing things I'm not good at. So, when I come across a cool math trick online that ...more