Rank a list of integers
Workaround in Excel for silly Rules Regarding Mouse Inputs on Code Golf Stack Exchange: (WESRRMICGSE) 28 bytes

rank(RC[1],r1c1:r1024:c1024)  

Input list as csv (10,23,34,2,) into the compiler after entering the source. no quotes, no brackets, trailing comma.

WESRRMICGSE is exactly like programming in excel, except you can omit the initial '=' sign to save a byte. The difference in functionality comes from the fact that WESRRMICGSE will either drag the formula down to copy the code automatically and provide different outputs provided with a single integer input. provided a list as input, that list goes into the B column (input column), and the formula is drug down automatically to match the number of inputs. (eg: the input 34,21,45, would 'drag' the formula down 2 cells, for a total of 3 cells with the formula).

Edit: I never expected this answer to be popular. Wow!