But really, there's no other way to calculate the cosine of a value—either look it up in a table or do a numerical calculation. So, here we are. Back with the model nature of science.

You can use built-in options to build a simple table of contents, but quite often, you'll need to change the underlying field code to get the results you want.

Current 912 area code users will retain their numbers; new users will eventually be assigned the 565 code. The 912 area code, established in 1954, has been split multiple times to accommodate growth.

SAN FRANCISCO (CBS SF) -- With 415 area code phone numbers in short supply, at least one company is capitalizing on high demand by selling them for thousands of dollars.

The new area code number has not been chosen yet. The 212 area code was established in 1947. The 718 area code came on line in 1984. It was followed by 917 in 1992; 347 in 1999, and 929 in 2011.

ST. LOUIS, Mo. – The deadline is Sunday to start dialing all ten digits in phone numbers. Starting October 24, anyone dialing local numbers should dial the area code and the telephone number. Parts of ...