Removing letters from beginning / end of a cell in Excel

LEFT and RIGHT function allow you to remove the certain characters from the beginning or end of one or several. The example below removes the first 4 character from the beginning of A1 cell.

B1: =RIGHT(A1, LEN(A1)-4)

This removes 4 character from the end of the text in A1 cell.

C1: =LEFT(A1, LEN(A1)-4)