Four Fours Puzzle
The Puzzle:

A popular mathematical pastime:
Use exactly four 4's to form every integer from 0 to 50, using only the operators +, -, x, /, () (brackets) x2 (square), and ! (factorial).
Example: 0 = 44-44
Use exactly four 4's to form every integer from 0 to 50, using only the operators +, -, x, /, () (brackets) x2 (square), and ! (factorial).
Example: 0 = 44-44