Mental Math Tricks to Impress Your Friends
One thing that fascinates me is performing mental math. Being able to quickly perform additions, subtraction, multiplications etc is a good way to impress your friends. The problem is, I’m not a math genius, and I don’t know much behind simple arithmetic. If you’re anything like me, but you’d still like to learn some basic math tricks, I hope you’ll find this list useful. Simple tricks How to multiply any two digits number by 11 Let’s say that you want to find the product of 36 and 11. Example: What happens if the sum of the two numbers is bigger than 9? Square any two digits number that ends with 5 Calculating the square of a number below 100 is extremely simple. Multiply any two digits numbers with the same first digit and the second digit that sums up to 10 Let’s say that you want to multiply 42 and 48 together. Note that if the product of the second digits is below ten, you have to add a 0 in front of it. Multiply by 9 Quickly find percentages Addition Left to right approach Subtraction ie.
The First-Timer's Guide to Building a Computer from Scratch
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How To Stress Test Your Hardware and Keep Your PC Stable
We've shown you how to build many a PC, and chances are, you might have even attempted to build your own. Or perhaps you're looking to give your old machine a bit of an upgrade, and swap out a couple of parts. Either way, your job isn't done when you close up the case; just because a piece of hardware appears to work at first glance, doesn't mean deeper problems can't be lurking underneath. When things go wrong with your PC, it's often hard to pinpoint where the problem lies. Crashes may become common place, or obscure errors could appear with increasing frequency. HWMonitor, which allows you to accurately measure the core and external temperature sensors for all of your PC components. Number Crunching And You: Stressing Your CPU Unlike other components within your PC, CPU problems aren't always so easy to identify. The standard for this sort of thing is a torture test called Prime95. Round off checking" from the Advanced menu. RAMember To Test Your Memory (Sorry)
How to Crack the Account Password on Any Operating System – Joe Tech
This guest post was written by Blair Mathis from LaptopLogic.com – your premier source for the latest laptop software news and best laptop accessories. Computer passwords are like locks on doors – they keep honest people honest. If someone wishes to gain access to your laptop or computer, a simple login password will not stop them. Most computer users do not realize how simple it is to access the login password for a computer, and end up leaving vulnerable data on their computer, unencrypted and easy to access. Are you curious how easy it is for someone to gain access to your computer? Windows Windows is still the most popular operating system, and the method used to discover the login password is the easiest. Simply download the Ophcrack ISO and burn it to a CD (or load it onto a USB drive via UNetbootin). The computer will restart and Ophcrack will be loaded. Mac The second most popular operating system, OS X is no safer when it comes to password cracking then Windows. fsck -fy dscl .
64 Things Every Geek Should Know « Caintech.co.uk
If you consider yourself a geek, or aspire to the honor of geekhood, here’s an essential checklist of must-have geek skills. The term ‘geek’, once used to label a circus freak, has morphed in meaning over the years. What was once an unusual profession transferred into a word indicating social awkwardness. As time has gone on, the word has yet again morphed to indicate a new type of individual: someone who is obsessive over one (or more) particular subjects, whether it be science, photography, electronics, computers, media, or any other field. A geek is one who isn’t satisfied knowing only the surface facts, but instead has a visceral desire to learn everything possible about a particular subject. A techie geek is usually one who knows a little about everything, and is thus the person family and friends turn to whenever they have a question. 2. If you rolled your eyes here, that is a good thing. 1. 3. 4. 5. 6. 7. 8. 9.
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How To…
Embed This Infographic <a href= "><img src=" title="10 How Tos" alt="How To Infographic" border="0" class="nopin" /></a><br />Source: <a href=' title='Interesting Facts'><a href=' title='Interesting Facts'>Today I Found Out</a></a> 1) How to drastically increase the life of your shaving razor Before or after you shave (I prefer before so that the blades are dry), place your jeans on a hard flat surface; then run the razor up the pant legs about 10-15 times quickly; then repeat running it down the pant legs 10-15 times quickly. The threads on the jeans then will very effectively both fix any tiny bends in the blades that inevitably happen and will also sharpen the blades on your shaver cartidge. 2) How to make your teeth whiter Baking soda makes a good teeth whitener. 1.
How To Become A Hacker
Copyright © 2001 Eric S. Raymond As editor of the Jargon File and author of a few other well-known documents of similar nature, I often get email requests from enthusiastic network newbies asking (in effect) "how can I learn to be a wizardly hacker?". Back in 1996 I noticed that there didn't seem to be any other FAQs or web documents that addressed this vital question, so I started this one. If you are reading a snapshot of this document offline, the current version lives at Note: there is a list of Frequently Asked Questions at the end of this document. Numerous translations of this document are available: ArabicBelorussianBulgarianChinese, Czech. The five-dots-in-nine-squares diagram that decorates this document is called a glider. If you find this document valuable, please support me on Patreon or SubscribeStar. The hacker mind-set is not confined to this software-hacker culture. If you want to be a hacker, keep reading. 1. 2. 3. 5. 2. 3.
70 Things Every Computer Geek Should Know. | Arrow Webzine
The term ‘geek’, once used to label a circus freak, has morphed in meaning over the years. What was once an unusual profession transferred into a word indicating social awkwardness. As time has gone on, the word has yet again morphed to indicate a new type of individual: someone who is obsessive over one (or more) particular subjects, whether it be science, photography, electronics, computers, media, or any other field. A geek is one who isn’t satisfied knowing only the surface facts, but instead has a visceral desire to learn everything possible about a particular subject. A techie geek is usually one who knows a little about everything, and is thus the person family and friends turn to whenever they have a question. How to become a real computer Geek? Little known to most, there are many benefits to being a computer geek. You may get the answer here: The Meaning of Technical Acronyms 1. 2. If you rolled your eyes here, that is a good thing. 3. 4. 5. 6. 7.
