Do Operations

How To : Solve a 9x9 KenKen puzzle without operation signs

Bored with crosswords and sudoku puzzles? Well, try your hands at a new type of puzzle: KenKen logic puzzles. Invented by Japanese math teacher Tetsuya Miyamoto, KENKEN allows you to test your puzzle acumen and improve your math skills at the same time. KEN-KEN (kenken), KenD ...more

How To : Solve operations on rational functions (f o g)(x)

YAYMATH In order to use rational functions in intermediate algebra, Robert Ahdoot begins by setting values to the functions f(x) and g(x). He then adds these functions together, with the equation (f+g)(x). After addition comes subtraction, using the equation (f-g)(x). And fina ...more

News : Operation in Real Life

Have you ever played the game operation? If so you know that if you touch the patient the game buzzes and lights up. Well my idea is to connect a person to the game with muscle stimulators. So every time a player touches the patient the person connected to the game get a shock ...more

News : The Most Dangerous Game of Operation (Ever?)

I suppose it depends how you define dangerous. It must have taken Flippy Cat a good amount of effort and planning to design and construct this giant Operation game made from Dominos. And then he lets a cat loose? Impressive work. Click on the second video in the gallery above ...more

How To : Solve equations with the order of operations

In mathematics, the order of operations define the priority in which complex equations are solved. The top priority is your parenthesis, then exponents, followed by multiplication and division, and finally addition and subtraction (PEMDAS). This video tutorial demonstrates the ...more

How To : Do operations with radical expressions

Radical expressions are those in which the radical symbol (under root sign denoting the square root or the nth root) is present (either multiplied or added). Solving these is a bit tricky, but involves similar algebraic maneuvers in a different way. This video begins with an ...more

News : Pictures From The Jackass Operation

Winner Grayson Robison gets to hang out with Johnny & Danger. Johnny Knoxville checks out the verisimilitude of the Operation artwork on Danger Ehren. The crew starts rigging the board for just the right amount of shock. Johnny Knoxville gets a little frisky. Johnny Knoxvi ...more

How To : Customize operations on the Canon EOS 7D

You have a ton of options and extensive possibilities on the Canon EOS 7D to configure different buttons and controls. You can change just about anything on this digital SLR camera. Watch this video for info on customizing operations. Customizing Operations: • Customize your ...more

News : Basic Math Operations

It was brought up a while back in a Community Call to Arms that *math* is handy for encryption (and let's face it, everything) so let us go over things you just have to know. "In its simplest meaning in mathematics and logic, an operation is an action or procedure which produc ...more

How To : Basic operations for digital SLR cameras

If you're used to more basic cameras, digital SLRs can be intimidating at first. It's a whole new level of technology. What do all those little knobs and buttons mean? In this lengthy tutorial, we'll learn the basic camera operations for digital SLRs.

How To : Understand nth roots and operations on radicals

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

How To : Use the order of operations in algebra

Are you looking for a simple math explanation on order of operations? Remember the following sentence: “Please excuse my dear aunt Sally.” What does this sentence have to do with math? The first letter of each word stands for an operation. “P” stands for parenthesis, “E” for e ...more

How To : Use boolean operations in Inkscape

In this software tutorial you will learn how to use boolean operations in Inkscape to combine or remove two shapes. Boolean operations are an important part of modeling in 2D or 3D and give you a way to make fast and accurate shapes. So watch and learn how to work with boolean ...more

How To : Learn 9mm hand gun operation & safety

This is a great video series about all the facets of a 9MM handgun. Our expert, Lee Laster, will show you not only all the parts of the gun and how they work but also walks you through the steps of disassembling it, cleaning it, how to reassemble it and even how to fix a jamme ...more

How to Play Battlefield : Bad Company 2 - Operation Aurora

At the very beginning of Battlefield: Bad Company 2, you and your squadron are floating down a river behind enemy lines. At first, you're just watching and learning, then you finally gain some control and learn how to use your weapons and make your way around the battlefield. ...more

How To : Apply order of operations in algebra

In algebra, "order of operations" essentially means solving first for exponents or roots, then multiplication, division, addition and subtraction. The steps for the order of operations also require attention to mathematical grouping symbols, such as parentheses and brackets. F ...more

News : Operation Freakout 2

This one would be involving Ape (sorry Ape, I don't have anything against you.) Get some of the slimiest, creepiest creatures you can think of (besides a naked Novak) put them either in her bed whilst she is sleeping or her car. Plan A: If it's her bed, have a naked Novak jump ...more

News : Operation Freak Out 1

Take something a friend hates ad/or fears with a passion, like snakes... fill his bed full of them, espcially a boa, whilst he's sleeping. Put shaving cream (or sperm) in said friend's hand before tickling his face with a feather so he'll smack himself with the creamed (or spe ...more

News : Operation Dumbass.

Here's the wildest prank ever for Jackass! It's Operation Dumbass. Operation Dumbass is consist of a fast motorcycle, 50 ramp, big glass tank, & the several dangerous sharks. Operation Dumbass can be up to one or many people (if anybody has the guts to do it). Here is my pran ...more

How To : Make Your Own Homemade Glow Sticks

Glow sticks, a popular favor at parties and outdoor events, and a must-have on Halloween, can be traced back to the United States Navy in the mid-1960s. The military desired improved visibility during night operations, and glow sticks, with their small-size portability and lac ...more

How To : Build orange smoke bombs

This video tutorial will show you how to make a smoke bomb with simple household items.You can use this smoke grenade for cover and concealment for your mock military operations, or simply for a prank to freak your friends... you can eve use it for special effects in a cheap f ...more

How To : Multiply & Divide Numbers (Basic Elementary Math)

Adding and subtracting may be the easiest of mathematical operations, but once you get it down, multiplication and division can be just as easy. That's why it's called elementary arithmetic. If it were harder, it would be called college algebra or trigonometry. But it's not— i ...more

Advice from a Real Hacker : The Top 10 Best Hacker Movies

In recent years, Hollywood has taken a shine to hackers, with hackers appearing in almost every heist or mystery movie now. This can be both good and bad for our profession. As we know, whichever way Hollywood decides to depict our profession is how most people will perceive i ...more

How To : Make a Super Cheap One-Way Check Valve

If you're going to build yourself a water gun to cool down this summer, or maybe just a useful water pump, you'll need some check valves. However, the most expensive parts of a water pump or DIY super soaker are usually the check valves. So, let's make some from scratch for as ...more

How To : Speed Up Your Mac in 2 Minutes Flat

If you've been around computers long enough, you've probably heard the phrase "have you tried turning it off and on again?" This trick usually works because it forces your computer to empty out the contents of its RAM and disk caches when you restart. When you run programs an ...more

How to Hack Bluetooth, Part 3 : Reconnaissance

Welcome back, my newbie hackers! The beauty of Bluetooth hacking is that it gives you a clear window into the world of the target. Nearly every device has Bluetooth capabilities now, and people store a great deal of personal information on their phones and tablets. If we can ...more

How To : Use Splice to Edit Movies on Your iPhone for Free

Apple is famous for their easy to use consumer software such as Garage Band and iMovie. However, I've found their apps a little hard to use. Why? Because their suite of software, mainly the consumer apps I've mentioned, errs on the side of ease of use. Isn't that a contradict ...more

How To : Calculate molecular formula using molar mass

The man was requested to solve a short, basic chemistry exercise. He starts by explaining the meaning of the terms involved in the problem: molecular mass, empirical formula and molecular formula. He also explains the way the are connected, for a better understanding of the wa ...more

How To : Turn an Old Android Phone into a Chromecast Remote

Considering how much smartphones cost in the first place, we're understandably reluctant to throw them out when we've bought a newer model. And this is probably the best practice, too, as there are many great uses for an old Android device. Don't Miss: Turn Your Old Android i ...more

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