By the way, there's kind of a cool way to pop this guy without a calculator. (Hey, it you're stranded on a desert island and the professor isn't there to make you a calculator out of coconuts and salt water... )
Eh. Not that useful... But, if you don't have anything to do on a Saturday night...
Pop this without a calculator:
You can use this new notation to help you deal with messy radical problems.
Check it out: