King Files

You may already know that the Windows 7 version of Calculator performs basic arithmetic, as well as scientific, programmer, and statistical calculations. What you may not know is that it can also calculate mortgage payments, fuel economy, perform unit conversions, and more.
Here are seven Windows 7 Calculator features you may not know about:

1. Calculate mortgage payments
No need to search online for a good mortgage calculator; youve got one built right into Windows. From Calculator, go to View > Worksheets > Mortgage. You can choose from monthly payment, down payment, purchase price, and term (in years).



 2. Calculate car lease payments
Thinking about leasing a vehicle? Use this worksheet to calculate lease period, lease value, payments, and residual value. Go to View > Worksheets > Vehicle lease

3. Calculate fuel economy
The fuel economy worksheet can calculate your vehicles fuel economy, distance, and fuel used. Go to View > Worksheets > Fuel economy.

4. Calculate the difference between two dates
Say you want to figure out the exact age difference between your two kids. This Calculator worksheet will figure it out for you. Go to View > Date calculation or use the Ctrl+E short cut.


5. Unit conversions
The Windows calculator can perform a large number of unit conversions, like area, length, power, and volume. Go to View > Unit conversion or use the Ctrl+U shortcut.

6. History support
You can view and edit the history of your calculations. Standard and Scientific modes have their own history and can be accessed by going to View > History. Just double-click on the calculation you want to edit, then press Enter when youre done.

7. Keyboard shortcuts
If you use the Windows calculator frequently, use keyboard shortcuts to save some time.
Alt+1 : Switch to standard mode
Alt+2 : Switch to scientific mode
Alt+3 : Switch to programmer mode
Alt+4 : Switch to statistics mode
Ctrl+E : Launch date calculations
Ctrl+H : Toggle calculation history
Ctrl+U : Launch unit conversion
Ctrl+Shift+D : Clear calculation history

Thats it. The next time you start to open a spreadsheet or search for an online app, remember that your good old Windows calculator might be all you need.

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 hope you will find right key for you computer .

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Changing phone is like changing clothes for some people nowadays. Most of the people usually sell their old phone and get a new one for themselves. But before selling off your old handset, did you make sure that all of your personal data is safe and is been deleted completely from your phone?

You completely sure that your half naked selfies you took once has been removed completely from your device before selling it to someone? and is in unrecoverable state?

Today we will be sharing with you one of the major Security flaw of your android device. People think that Android factory reset option completely removes all of the data from your android phone and reset the phone to its original state. let me tell you that this misconception of people about android factory reset option is completely wrong and it is proved by the renowned security software company named AVAST.

Avast known for its antivirus and security software for mobile and computers proved that its actually quite easy to recover most of the data and personal details even after factory resetting your android device. Avast buyed some 20 used android smartphone from eBay and tried to recover the images and data from this 20 android phones which were for sale. What they found was shocking, they recovered about 40k photos from this devices among which there were more than 200 nude selfies and emails and text messages.

According to users of this phones " They did a clean wipe and  factory reset of the phone before selling them" But " Factory reset option only clean ups the phone at an application layer" thus it was quite easy for them to recover the data. Actually even more shocking was that they recover all this data with a normal recovery software available to all and even a normal person could recover it.
Now you think that " Smartphone is one of the most used device for storing personal data and images and even data about internet banking and all your online transaction made from your phone"

Avast also pointed out that their own security app is way better to clean up your phone that than the factory reset option.

Its a way big challenge in front of us to make people aware about the device security containing their world in there pocket.

How to prevent your Personal data from getting recovered by someone else. Check out here

I will give windows 8.1 product key  , windows 8.1 professional product key free for you . You can find below :

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I hope you will find right Windows 8.1 Product Key for your computer .

If you want to install Windows 8.1 in your pc , your pc has minimum requirements  :

If you install Windows 8 , you can upgrade to 8.1 free .

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Andrew Tuohy was a former Hospital Corpsman for the US Navy and spent 11 months in Fallujah, Iraq, in 2006. He now writes his own blog called vuurwapenblog.com and tests firearms and gear on his YouTube channel.
Andrew recently shot some handguns underwater and captured the results using a Pentax WG-2, a waterproof digital camera capable of taking basic high speed videos (which can be seen below). It’s interesting to see that the bullet does not travel very far underwater. The hollow point bullets also appear to blossom, almost turning inside out.
Andrew remarks that the pressure underwater from the blast feels like someone is punching you in you chest. He also said he fully inspected each handgun and did not detect any damage. Most important is that the sound/pressure underwater can be intense so sticking your head or ears underwater is obviously dangerous and not recommended.

What is LINUX?

Linux is an Operating System or Kernel which is created by Linus Torvalds. The reason behind Linux existence is that Linus used to work on UNIX system when he was in college but he thought that UNIX need some changes to make it easier, However his suggestion where rejected by the designer of UNIX. Later on he thought of creating one Operating system which will be receptive to changes, modifications suggested by its user. Thats how LINUX came into existence.

LINUX is mainly used to design their own custom Operating System. Linux is the backbone of many popular operating system like DEBIAN, UBUNTU, FEDORA etc.