Security is a priority for many when they first set up their mobile devices. Nobody wants to have a stranger or nosey friend go through their phone and discover risqué photos or embarrassing text messages. These days, the closet is gone—everyone keeps their skeletons in their phones.

Welcome back, my novice hackers! This next subject might seem a bit obscure, but I promise you, this lesson will benefit you significantly either as a hacker or system admin. This tutorial will cover what is usually referred to as a regular expression, or regex for short.

Step 1: Calculating Expression in MS Word Step 2:

Welcome back, my hacker novitiates! A short while ago, I introduced you to regular expressions. Regular expressions are a language that is particularly useful for finding complex text patterns in streams of data.

In this tutorial, give a little life to your drawings by using the wiggle expression attached to the puppet tool in Adobe After Effects CS4. This is a cool way to animate your project.

Want to simplify a rational expression with a negative exponent? It's easy once you know how. Learn 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 study for that next big test).

See how to simplify a radical expression in algebra with this free video math lesson from Internet pedagogical superstar Simon Khan. 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).

Want to simplify a radical expression with algebraic variables? 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 study for that next big test).

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 unpack and solve word problems that require you to simplify rational expressions.

Koizu brings you another lesson in how to draw manga. He describes how he begins with the eyes as guidelines that are used as the base for each facial expression. This immediately begins to capture and illustrate the specific expression for which you are going. Multiple facial features are illustrated in the manga style of drawing and range anywhere from angry to happy and beyond. This video will definitely either teach you how to draw the facial expressions using simple features or help you ...

Having trouble with evaluating expressions at school? This short and easy educational video will take you through the steps that will lead you to accomplishing these problems. It explains the easy process of substitution that will lead you to be able to evaluate the expression that will finally give you the answer. After viewing this video you will be able to tackle any problem dealing with evaluating expressions and will help you along with tackling other math problems in the future.

Many people will tell you to use expressions in Wire Mod for Garry's Mod (GMod) but they don't often tell you HOW. This tutorial shows you how to use the Expression Gate Tool for use with the wire system.

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 unpack and solve problems requiring you to rewrite and simplify an expression with th...

See how to simplify an algebraic expression containing exponents with this free video math lesson from Internet pedagogical superstar Simon Khan. 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).

In this video the tutor shows how to compare exponential expressions and judge if they are equivalent. He shows how to do this using examples to simply exponential expressions. Now after simplifying the numerator and denominator separately he reduces the fraction to arrive at a simple value. Now using this simple values we can compare them and judge if both their values are equivalent. This video gives a good introduction on how to simplify the exponential expression and how to compare them a...

This video explains the process of simplifying an algebraic expression with negative exponents. The video starts with an example of such an algebraic expression; the expression contains negative powers in both the numerator and denominator. The location of the negative exponents is first pointed out visually. Next, it is observed that there are like based or variables in both the numerator and denominator; however, it is explained that the numerator must first be expanded before the expressio...

In this video, we learn how to cut acrylic on the Cricut Expression. First, you will need to have an acrylic cutter installed on your Cricut Expression. Now, place the acrylic on the mat and insert the mat into your machine. After this, choose the type of cut you want, then make sure the blade depth is at six and the pressure is at maximum. Now you can start to cut the acrylic, and when it's finished, it will pop back out of the machine and be finished! You can then use the acrylic for what p...

In this video the instructor shows how to add and subtract rational expressions. When you have an addition or subtraction problem of rational expressions, first look and compare the denominator of all the terms. If all of them have the same denominator then the expression can be written as a fraction whose denominator is the original common denominator and whose numerator is the sum of numerators of all the other terms. Simplifying the numerator by adding and subtracting the like terms gives ...

Interested in making your own tutorials? You'll need some good screen capture software if you want to do a screencast, and one of the best programs for that is Microsoft Expression. This video goes over the basics of the program so you can get the most out of it.

Want to start making your own tech how tos or play alongs? It's easy, and better yet, free! All you need is to download Microsoft Expression Encoder 4. Once you have installed this program, you can easily record both visual and audio off your computer screen.

The video shows how to solved mixed property problems using the exponent rules. See if there are any rules you can apply to the problem until you get to a point where you can't simplify anymore. The instructor shows in the example problem that the two bases are the same, but there is extras happening the numerator. The power to power multiply rule is applied removing the extra issues from the numerator. Next the quotient rules is applied as there is the exact same base to the power so we keep...

Mona from Cup Cakes Creations demonstrates the use of a Cricut Expression machine to make gift bags. She starts with the smaller gift bag found on page 115 of the instruction book. It gives the option of putting holes in the bag. She sets the machine to cut two 5-1/2" bags out of 12x12" paper, and cuts it. With the bag cut out, she explains how the bag is folded and taped with Terrifically Tacky Tape, and decorated with a 2" tag. The tag is attached with a cord, and decorated with a ribbon. T...

This tutorial goes through the basics of how to add an expression in After Effects. It focuses on setting up a simple counter expression using the slider control effect. Whether you're new to Adobe's popular motion graphics and compositing software or a seasoned video professional just looking to better acquaint yourself with the program and its various features and filters, you're sure to be well served by this video tutorial. For more information, including detailed, step-by-step instructio...

In this video the instructor shows who to simplify radicals. If you have a term inside a square root the first thing you need to do is try to factorize it. First factorize the numerical term. Write down the numerical terms as a product of any perfect squares. Now split the original radical expression in the form of individual terms of different variables. Now you can pull out the perfect square numerical factors out of the radical. Similarly for the variable terms write the variables as power...

When you need to compute the square root of a number you can do it by breaking it into perfect squares. When you can split the given number into small perfect squares you can cancel out the square root of the expression to the square of the perfect squares. You cannot always write the number inside the square root as a perfect square, but try to write this number as a product of a perfect square and another number. Now you can pull out the perfect square out of the radical and leave the remai...

This is the video about how to add a rational expression. So to add a rational expression first of all find the common denominator. To find the common denominator, just find the least common multiple (LCM) of the denominators. There are at least a couple ways of doing this. To convert each fraction to the common denominator, you multiply each denominator by what it needs in order to turn it into 6x. For instance, in the x+4/5x, the denominator needs to be multiplied by 6x, since 6xX5x = 30x. ...

In this video the instructor shows how to divide rational expressions that contain trinomials. A division containing two fractions can always be turned into a multiplication by multiplying the first fraction by the reciprocal of the second fraction. This way any division can be turned into a multiplication problem and solved easily. Now after you convert the division into multiplication factorize the equations. Now you can factorize the equations by splitting the middle term and grouping it i...

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 begins by explaining that the quotient rule allows expressions in this form to be simplified if they contain like bases (i.e., the terms are of the same variable). The quotient rule allows the expression to be simplified by s...

Algebra is not as hard as it looks. Learn how to evaluate expressions correctly by using the order of operations, which can easily be remembered as PEMDAS- Parentheses, Exponents, Multiplication, Division, Addition, Subtraction. You can solve any problem in algebra with this approach.

Need help figuring out how to solve an equation with given variables in algebra? Learn how 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).

Putting a rational expression in its lowest terms (also called "reduction") is a bit tricky, but it becomes very easy once you know a few tricks.

In this tutorial, we learn how to draw manga facial expressions. To draw an angry face, you will draw a circle for the head with a point for the chin. Then, you will draw in a slight frown for the mouth and half circles for the eyes. Then, draw in slanted eyebrows above the eyes to make the character look angry. Add in highlights around the face to make the expression larger. Then, add in lines around the face to show it being crunched up and the person being angry. You can also make the mout...

In arithmetic, the simplest expression is far preferred to the long eye-boggling one. Stop making your expressions painful optical illusions by watching this tutorial on how to write rational expressions in the lowest terms.

In this video, the instructor shows how to multiply and divide rational expressions. To solve a rational expression that contains many terms, solve step by step by following the order of operations. Order of operations advises one to work the parenthesis part first; so solve the equation inside the parenthesis first. If you have a fraction multiplied by another fraction, first factorize the numerator and denominator of both the fractions. Cancel out any common factors simplifying it. In case ...

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 denominators. In the second step the numerators are added or subtracted according to the problem with LCD in the denominator. Simplify the numerator by adding or subtracting like terms. After this, we get a rational expre...

This video shows how to use the French expressions "das que..." and "ne...plus". The expression "das que..." means "as soon as".”ne..plus" means "no longer". You can use these expressions in sentences. " Je ne veux plus venir" means “I don’t want to come any longer". "Des que je me leve je prends un cafe" means " After I get up in the morning I have a coffee" These are regular sentences people use every day in the French language just as used in the English language.

Math Made Easy offers some great SAT Test Prep. It helps you master the factoring and simplification of any kind of algebraic equation or expression. An expert math instructor provides easy to follow real-time chalkboard examples to help you work your way through step-by-step. It discusses when and when not to use the FOIL method. It demonstrates some of the most common factoring problems that you are likely to see on the SAT. With Math Made Easy, you don't have to let those trinomials scare ...

Doug Simms online shows how to simplify the radical in a mathematical equation. If you need to brush up on your learning this video can help. Start by finding what is the largest square of the number in your radical. If that number can be solved then solve it, put the answer outside the box and the remainder in the radical. There are some great examples to follow including what to do if your number has a solution, or if there are two factors that your equation can create.

In order to simplify complex rational expressions, it is important to be able to find the lowest common denominator. Complex rational expressions are fractions that are divided by fractions. When you have found the lowest common denominator, then, you should multiply both fractions by the common denominator.

First of all create a website. Go to 'file' and then click 'new'. Choose it as ‚Äògeneral‚Äô and then as 'empty'. Name this as 'practice site'. Click 'ok'. Now create your first webpage. Click on 'general', 'html' and then 'ok'. Now click on the 'file ' and then choose 'ccs' to create an external style website. This is basically a text file given a '.css' extension. Now click 'ok'. Now go back to your 'html' page and then 'save' it. Now you have to type in 'index' to replace 'default', and th...