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How To: Generate random numbers not divisible by 3 in Excel

New to 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 Excel tutorial from ExcelIsFun, the 261st installment in their series of digital spreadsheet magic tricks, you'll learn how to generate random numbers within a certain range and with certain supplementary criteria (e.g., values that are not divisible by three) via the use of large array formulas.

How To: Solve angle problems in geometry

Need some help figuring out how to work with angles in geometry? Look no further. 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 sol...

How To: Understand angle relationships

In this tutorial, we learn how to understand angle relationships. Start out by drawing an angle out and looking at the different parts of it. From here, you will start to find where the different angles are. Linear pairs equal 180 degrees and are on a straight line. Once you learn this, you can write them out on the paper. Supplementary angles equal 180 degrees as well. Two angles that add up to 90 degrees are complimentary angles. Once you learn the relationships between angles, you can bett...

How To: Understand the rule of vertically opposite angles

In this video we learn how to understand the Rule of Vertically Opposite Angles. This says that when two straight lines cross it produces vertically crossed lines that must have congruent angles. Because the lines are straight this has to happen. Remembering the rule "supplementary" you will be able to calculate the angle of A and B in the equation. Prove what each of the angles are using the different rules and then move onto the other two angles. Angle C can be figured out by knowing that i...

How To: Understand parallelograms

This video helps us understand parallelograms and its properties. The video starts with the description of the basic properties of a parallelogram. The parallelogram is a four sided shape which has the sum of all four interior angles equal to 360 degrees. The opposite sides of a parallelogram are equal and parallel. Then the video talks about the angles in the parallelogram. The parallelogram has a lot of symmetry. This makes the opposite angles of a parallelogram equal. The same side angles ...

How To: Tone with dumbbell pushup rows

Pushups are a great workout at any level of bodybuilding. However, if you feel that you're ready for something more advanced, dumbbell rows are a good option for the next step in your advancement. They offer a new challenge and a different way to work out the same muscles you do with pushups.

How To: Stop bloating after eating raw foods

Most of us aim at maintaining a healthy lifestyle and many of us incorporate raw food in our daily diet, to keep the calories under check. For some, this may result in a bloated and uneasy feeling. The reason for this could be many. However, primarily this arises due to the fact that our bodies are not habituated to handling so much fiber! This video shows how to deal with the problem, for those who experience this kind of bloated feeling. The first step necessary is to gently steam the raw v...

How To: Adjust JPEG and TIFF images with Adobe Camera RAW

Uncover the mysteries of working with JPEG, and TIFF images in Adobe Camera RAW. Warning! This is an advanced demo. Be sure to update to the current version of Photoshop and Bridge before attempting this process on your own. Watch this image editing software tutorial and improve your Camera RAW skills at adjusting jpeg and tiff images.

How To: Play Lost Cities

Board game enthusiast Scott Nicholson reviews a new game each week showing you the pieces and rules of play, as well and demonstrating the game with friends. This weeks game, Lost Cities, is a 2-player card game about traveling and uncovering lost cities.

How To: Read the meaning of kings in tarot with Peter John

Peter John explains the meaning behind individual tarot cards in this video tutorial. The king of pentacles, the king of swords, the king of cups, and the king of wands all have a deeper understanding within a tarot card reading. Watch this tarot reading how to and learn how to predict and uncover the future by understanding the meaning of the king card.

How To: Read the meaning of queens in tarot with Peter John

Peter John explains the meaning behind individual tarot cards in this video tutorial. The queen of pentacles, the queen of swords, the queen of cups, and the queen of wands all have a deeper understanding within a tarot card reading. Watch this tarot reading how to and learn how to predict and uncover the future by understanding the meaning of the queen card.

How To: Read the meaning of knights in tarot with Peter John

Peter John explains the meaning behind individual tarot cards in this video tutorial. The knight of pentacles, the knight of swords, the knight of cups, and the knight of wands all have a deeper understanding within a tarot card reading. Watch this tarot reading how to and learn how to predict and uncover the future by understanding the meaning of the knight card.

How To: Read the meaning of the ten in tarot with Peter John

Peter John explains the meaning behind individual tarot cards in this video tutorial. The ten of pentacles, the ten of swords, the ten of cups, and the ten of wands all have a deeper understanding within a tarot card reading. Watch this tarot reading how to and learn how to predict and uncover the future by understanding the meaning of the ten cards.

How To: Create a color explosion with this cool science experiement

Soap is an incredible thing and this how-to shows some of its incredible qualities. You'll need a plate, some whole mile, some food coloring, some Q-tips and some dish detergent. It's an explosion of color! Some very unusual things happen when you mix a little milk, food coloring, and a drop of liquid soap. Use the experiment to amaze your friends and uncover the scientific secrets of soap.

How To: Prevent dry and itchy winter skin with tips

Still using the same lightweight, oil-free lotion during the winter as you did last summer? Then it's obvious where your flaky, dry winter skin is coming from. The shift from warmer, more humid days to dry and cold immediately saps your skin of moisture, meaning you have to update your beauty routine to stay moisturized.

How To: Safely care for your kitten with Dr. Gaspar

In this Pets & Animals video tutorial you will learn how to safely care for your kitten with Dr. Gaspar. Your kitten's first year life is critically important. First make sure your home is safe for your kitten. Remove anything that you wouldn't leave about in the presence of a child. Get your kitten home over the weekend so that you have plenty of time to get acquainted with the kitten. Introduce your kitten to the litter box. The box should be roomy and uncovered. Place the box in a quiet lo...

How To: Massage data in Houdini 10

Get a crash course on HScript Expressions, Variables, and Attributes in Houdini 10. If you don't even know what this means, then you probably need to check this video tutorial series out. Understanding how to massage data in Houdini is key to giving yourself the creative edge and allowing you to unleash mind-blowing visual effects. This 18-part video series covers a variety of simple yet essential weapons in your arsenal including Global, Standard and Custom Variables to Math and String Modif...

How To: Create ghosts in Blender with difference keying

Use nodes to compute the difference between two images, usually a matte or background shot and then the same shot with actors in the set. This technique was used in the film "Death Becomes Her" starring Meryl Streep, Goldie Hawn, and Bruce Willis. Use this technique to create ghosts, glass people, or to uncover watermarks and prove video ownership. Whether you're new to the Blender Foundation's popular 3D modeling program or a seasoned graphic artist just interested in better acquainting your...

How To: Make Pakistani fish karahi

Liked Pakistani fish karahi? Well, if you have some fish fillet, red chili powder, black pepper, tomato, ginger, salt and oil, then by following this video, you can make their own fish karahi. First of all, fry the onions till they are transparent, and then add the different spices. Next add the chopped tomato and salt. Then put the lid on until the tomato is soft. Remember to uncover and stir once in a while. Lastly, add the fish and cook until the fish is ready. This process is very short a...

How To: Build a rain gauge

In this how to video, you will learn how to build your very own rain gauge. You will need tape, scissors, rain gauge ruler, and a jar. First, go to the website shown and print and cut out the ruler on the screen. Next, cut the tape strips. You will need them to be about 5 inches in length. Next, attach the rain gauge ruler to the jar. You will do this by placing the ruler on the tape and place the ruler on the jar. Make sure the ruler is aligned with the bottom edge of the jar. Take the secon...

How To: Make Spanish rice

This video shows you how easy it is to make Mexican (Spanish) rice. You start with a pan on medium heat.1 tablespoon of oil, 2 cups of long grain rice. Long grain rice because it’s good for this type of meal. You can get the rice in packets that you won't have to wash the rice. You want a to cook the rice until it gets a little color. Then add 1/2 cup of chopped large onions for 1 minute, 1 can of kidney beans washed and drained, 1 medium bell pepper chopped, and 1/2 teaspoon garlic powder, 1...

How To: Use vinegar & hydrogen peroxide to reveal fingerprints

Learn how to find latent finger prints on brass surfaces, such as fired cartridge cases. Called the Acidified Peroxide method, using only white distilled vinegar and hydrogen peroxide that you can find at your local drugstore, you can uncover fingerprints that is usually impossible to see using other methods. After mixing the vinegar and hydrogen peroxide the solution should start turning a greenish color around the brass object after 5 to 10 minutes. After you see the green color throw away ...

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