Quote Originally Posted by Endless View Post
If I'm allowed letters :
a7f55651a7320114cb673a3f2672c25f.png

Edit : another way, modulus ftw.
5*7 - (7! mod 4!)! = 34
Oooh! Except instead of letters, using % for modulus would work:
5*7-(7!%4!)!

Awesome!