What is the keyboard shortcut for approximately symbol?

What does ATA hard disk mean? Why can't my child copy? Types of OSI reference model? Can you tint all your windows? What are the disadvantages of red hat Linux enterprise? Why does a mac keyboard have an upside down 'W' for an 'M' key? Is there a command to retrieve emptied trash on a MacBook Pro my itunes library got dumped? Who is the srilanka agent for Lenovo laptops? How do you compare e-paper and regular paper? What class are cable cutters in? How is a pick chart used in six sigma? What is the mach desktop registration code? How many ML equal 2 liter? How do you reserve stuff from the library on a computer? What are the techniques of document processing? Where can one locate a service that provides for monitor disposal? How much is 425 cc in cup? What is disk scheduling explain static and dynamic in os? My home Computer shuts down 5 seconds after being turned on? How do you calculate upper quartile in Excel?