How to Find Complex Number

This video teaches us the concept of nth roots. The video starts with the square root of constants. We find the number which when multiplies by itself for two times results in the constant inside the square root. Then we find the square root of variables. Here again the same c ...more

In this tutorial the author shows how to factor a number. He says that factoring means to find all the smaller numbers which can be multiplied to obtain the original number. He says that the number one and the number it self are the factors of every number. Now to find the fac ...more

In this permutation and combination math tutorial, we will learn how to find the number of possible arrangements in a set of objects. So, if you need help with your algebra or geometry homework, watch this. An arrangement of a set of objects in a certain order is called a PER ...more

This video tutorial will get you started playing B flat barre chords on the ukulele. In it, you'll find a number of tips and techniques for fretting the B flat chord and be advised of common pitfalls. For more information, and to get started playing B flat chords on your own u ...more

A video to help calculator users find the natural logarithm (log base e, or "ln") and standard logarithm (log base 10, or simply "log") of any number using a TI-83 calculator (works for any issue of the TI-83 calculator or even a TI-84 calculator). Turn on your calculator. To ...more

In this video, we learn how to understand completing the square. First, you will write the quadratic expression out. Then, you will write the open bracket so you write it out in the correct format. Now, find the number in front of the 'x' term, which is the coefficient. Then, ...more

In this video, we learn how to solve the circumference of a circle. First, you will need to find the radius. For an example, let's say the radius is 5 inches. After you find this, you need to multiply this number by two to find the diameter. Next, take this number and multiply ...more

In this math lesson we will learn how to solve simple probability problems with a number cube. The probability of an event measures the likelihood that the event will occur. When trying to find the probability of an event, use this formula: P(event) = number of favorable ou ...more

A middle school has 1200 students. Of these, 25% are in the eighth grade. Yesterday, 95% of all eighth graders were present. How many eighth-grade students were absent yesterday? Solution First, we need to find the total number of eighth grade students at this school. 25% o ...more

In this video, we learn how to graph inequalities on a number line. Inequalities have a greater than or less than sign instead of an equal signs. Remember that these are no different than figuring out how to graph normal equations. First, you will need to remove the single num ...more

The video demonstrates the solving of radical equations in algebra. The first thing to be done is to keep the radical number on one side and the other numbers on the other side. The radical is then changed to a rational number by squaring, cubing etc. Once the roots are remove ...more

Check out this video tutorial on how to Solve a ten digit number math problem. This video will show you the key to solving the puzzle to find a 10 digit number, such that 10 digits are divisible by 10, and the first 9 are divisible by 9, and so on. The number 3816547290. Now ...more

The future is now, which means you can do crazy things like connect to the world wide web through your Xbox 360 and PS3. Cool, right? Definitely. But before you start surfing the Internet you'll need to adjust the settings on both your computer and gaming console. This instruc ...more

This video teaches us the method to simplify the fractions. Let us take an example of 18/24. Find a number that goes into both 18 and 24. Divide the top and bottom by the same number. Here, 2 will go into both numbers. So, the number now becomes (18/2)/(24/2) which gives 9/12. ...more

When programming in Visual Studio, you may find yourself creating any number of all-but-identical windows. This can be tedious and time consuming. This tutorial discusses the deadly and dangerous task of using a form as a parent for the development of other forms in Visual Stu ...more

Learn everything you could possibly want to know about the internet, multiplayer game Evony with help from alexstewart2. Watch this video tutorial to learn how to farm rose, lion, cross, and nation medals in Evony. You will get casualties if your hero is a low level. If this ...more

A square root of a number is a value which when multiplied to it self gives you the original number. The square roots of perfect squares are whole numbers. Like square root of 9 is 3, because 3 times 3 is 9. Similarly square root of 81 is 9 because 9 times 9 is 81. Others numb ...more

In this tutorial, we learn how to find the volume of a pyramid. The equation to figure out how to find the volume of a pyramid is 1/3ab x h. When you begin, find the height, length, and square feet of the pyramid, then fill these into the appropriate spots in the equation. Onc ...more

In this Computers & Programming video tutorial you will learn how to use Stock.Xchng to access free stock images. The site is at SXC. Go to this site and you will find a large number of stock images that are free to use. And every day new photos are being added. You can search ...more

Looking to find the standard deviation of your set of values? Standard deviation quantifies how diverse the values of your data set are, and is useful in determining how different your numbers are from each other. You Will Need: • Data • A calculator Step 1: Collect your d ...more

This video helps you to Pin Recent Documents in Excel to the Start Menu or Office Button Menu in Excel 2007. When you click the office button on the left corner, your recent documents will appear by default. If you open a new document, it will push the other documents down and ...more

In this video, we learn how to increase or decrease by a percentage. First, to increase you will need to find what the percent of the number is. To do this, you will find 10%, which should be very easy. As soon as you've found this, you can add or subtract to find the percent ...more

The guy first gives the definition of differential equations. He explains that a differential equation is an equation that contains the derivatives of an unknown function. He then gives some examples of differential equation and explains what the equation's order means. After ...more

In this video we learn how to multiply mixed numbers together. First, take your mixed numbers and write them into an equation. Next, convert the numbers both to top heavy fractions. Now, multiply the top numerators together and then the denominators together. If you can't work ...more

If you have friends or relatives living or traveling in another country, you may need to call them internationally. Check out this tutorial and learn how to dial a far away land just as easily as you would dial one close to home. You Will Need: * Telephone * Internet access * ...more

One of the coolest features on a Blackberry is BBM or Blackberry Messenger. BBM allows you to talk to anyone with a Blackberry, anywhere in the world, absolutely free! You can send messages back and forth and you phone will even keep a record of the conversation in case you ne ...more

In this video, we learn how to do a free reverse cell phone look up for call records. This will work for some cell phones, but not all of them. First, go to the website Your Spying Eyes. This is a great search tool where you can look through records of cell phones to find out ...more

In this tutorial, we learn how to find the area of a circle. The line from the middle to the edge of the circle is called the radius. Find what this is in your equation, then multiply (3.14 X radius x radius). This will always work out the area of a circle for you. So, do this ...more

In chemistry you come across problems which ask you to find the percent by mass and percent composition of each element in a chemical compound. To do this the first step is to compute the molar mass. Use the periodic table to look up the mass of individual atoms and multiply i ...more

You know that big yellow book that's always sitting there in your closet collecting dust and sometimes acting as a nice door stopper? It's called a phone book. Yes, ladies and gents, there was a time when we flipped through pages to find a store's phone number rather than Goog ...more

You know that big yellow book that's always sitting there in your closet collecting dust and sometimes acting as a nice door stopper? It's called a phone book. Yes, ladies and gents, there was a time when we flipped through pages to find a store's phone number rather than Goog ...more

Hak5 isn't your ordinary tech show. It's hacking in the old-school sense, covering everything from network security, open source and forensics, to DIY modding and the homebrew scene. Damn the warranties, it's time to Trust your Technolust. In this episode, see how to track a U ...more

The following are the steps to describe how-to factor a number: 1. First we go into factoring a number we first need to know the prime numbers 2, 3, 5, 7, 11, 13, 17, 19, 23 etc. 2. Basically factoring a number means writing the given number a product of two numbers. 3. Let u ...more

Watch this video to learn how to calculate the area inside complex figures--shapes composed of multiple smaller, simpler shapes. The first step is to break the shape into its simpler component shapes. Then, using the information you have about the large shape, find all informa ...more

In this math lesson, you will learn how to find the square root of a number without using a calculator. You can even find the square roots of large numbers by following this simple algorithm. The above video demonstrates how to find the square root by hand. Sometimes you migh ...more

Check out this instructional home repair video to learn how to identify and find your manufacturer's label and model number on your refrigerators and freezers. The model number is usually essential. People make the mistake of assuming that the name and number on the front pane ...more

This video explains how to calculate percentages in your head. To calculate a percentage in your head, start by breaking the percentage off into smaller units. For example 25% is 10 + 10 + 5. 30% is 10, 10, and 10. Now you have numbers you can easily work with in your head. Fi ...more

Everybody gets phone calls from those strange numbers you kinda sorta recognize. Is that an old friend? Is it the guy you met last week? What's that area code anyway? Get to the bottom of the mystery by using reverse phone book services. This video will show you to find the so ...more

COD4 Pro Nade Tutorial See how to do a pro nade attack in Vacant on COD4. For this grenade throwing tutorial, you need to be in Multiplayer mode, Search and Destroy, on Call Of Duty 4: Modern Warfare. On Vacant, you will find out how to do a number of pro nades to aid compet ...more

See exactly how to chain sew half square triangles to make a quilt block. When you have a large number of quilting block you may find that they don't line up exactly. Watch this instructional quilting video to several quilting patches together at once, in a chain formation.

The first question asks for the intercepts x and y. To find X, you would need to set Y to zero, leaving the equation 3X=6. X then equals 2 after you divide both sides by 3. The X intercept that you found is not just the value of 2, but it is the ordered pair X=2 and Y=0 on a g ...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

In this lesson we will learn how to solve probability problems involving a spinner. A probability measures the likelihood of a certain event. It always ranges between 0 and 1. The following formula can be used to find the probability of a particular event: P(event) = the num ...more

Finding the area of a trapezoid can be done easily by using a simple formula. The area can be found by adding the length of base 1 plus base 2 then multiplying by the height and then dividing the sum by 2. The bases of the trapezoid are the straight lines that are parallel to ...more

Want to find a percentage of one number relative to another? With a calculator, it's easy. And this free video math lesson will show you how to go about it. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have ...more

In this video tutorial, viewers learn how to use the Sticky Keys feature in Microsoft Windows 7. To use the Sticky Keys, click on the Start menu and open Control Panel. In the Control Panel window, double-click on Ease of Access and click on Change how your keyboard works unde ...more

In this video the instructor shows how to solve a quadratic equation. If you have a quadratic equation with complex fractional terms and you find that a particular term is repeating then equate that term to a new variable and replace the variable in the given equation. Now try ...more

In this tutorial the author explains of how to find out percentages of a given number. He explains that x percent of some number y is x multiplied by y and divided by 100. He goes on and explains this concept with numerous examples. He suggests a short cut to move the decimal ...more

Make life easier by printing to your nearest PC printer the first time, every time. You Will Need * A printer * A PC * The printer’s model number * The printer’s manufacturer Step 1: Check connection and power Check to see if the printer is properly connected and powered on. ...more

Microsoft Office Excel 2007 Tip - Using Formula Auto-Complete - Microsoft® Office Excel® 2007 is truly at its best when it's working hard behind the scenes to execute complex calculations, working with any of a number of standard formulas. When we're creating spreadsheets, for ...more

In this math lesson we will learn how to solve compound interest math problems. Click the play button to start the video. Unlike the simple interest, the compound interest pays interest on both the principal and the interest already earned. To find the final balance after a c ...more

Watchers of this video will learn how to find the "lowest common multiple", the lowest whole number that can be divided by each of two numbers evenly. For example, the lowest common multiple of 8 and 12 is the lowest number of which 8 and 12 are both factors. To find the lowes ...more