You can Connect Multiple Computers Together by Create HotSpot . You can shearing data and internet between them without any Ethernet cable. Only you required Wi-FI enable laptop or external Wi-Fi device. I write process of creating hot spot for windows 7 and windows Xp.
Connect Multiple Computers Together by Create HotSpot

you can create hotspot by following simple 8 step.
process for creating hotspot in window 7

(1) click to start menu


Customize your tiles

Make the most of your Windows Start screen tiles by adjusting the sizes, where they are located, and what is listed.
Move any tile by clicking and dragging the tile. While moving a tile, if you need a larger view of the Start screen move the tile towards the top or bottom of the screen to zoom out.
Use your mouse wheel to scroll left-to-right through your tiles.
Any Desktop shortcut or program can be pinned to the Start screen by right-clicking the icon and choosingPin to Start
 Windows 8 keyboard shortcuts will make your Windows 8 experience much more enjoyable. Try to memorize these top Windows 8 shortcut keys.
  1. Press the Windows key to open the Start screen or switch to the Desktop (if open).
  2. Press the Windows key + D will open the Windows Desktop.
  3. Press the Windows key + . to pin and unpin Windows apps on the side of the screen.
  4. Press the Windows key + X to open the power user menu, which gives you access to many of the features most power users would want (e.g. Device Manager and Command Prompt).
  5. Press the Windows key + C to open the Charms.

File Management Tricks

Rename a file quickly Right-clicking and selecting rename is not very efficient. Instead, simply press F2 while a file is selected to change its name. To alter the name of another file, type TAB without deselecting the current file.

Rename files sequentially in Windows You actually don’t need to download any programs to perform a batch file rename in Windows. Instead, you can select all the files you want to change, right-click the first one in the list, select rename (or use F2), and type in the name
New release of a stylish voice command calculator.


Android phone's Google voice search is handy as is, but reader Michael Crider shares a tip with us that we didn't think about before—it also means you have Google's calculator and conversion tools available via voice activation.
watch this video
http://www.youtube.com/watch?v=-Bq6wp7Sgak

Talk to you phone will save your time typing and do the calculation efficiently.

Here are the screens: