Cryptography Craze

Here are some of the codes that I created myself...
See if you can break them!

1. uijt jt tp fbtz
clue: go one step down the alphabet ladder...

2. flmsdiyeotn,olhasnviloees
clue : 5x5 square, vertical

3. edamitosmohbiasioredscode
clue : 5x5 square, whirlpool anticlockwise to the right first, start with the vortex.

4. Integrate 2.71828 x
clue: Answer consists of three letters, What does the integration symbol look like?

5. Fame In Ravenous Eras Breeds Ultimately Revoltingly Neurotic Students
clue: This is so easy that I don't think any clues are needed.


Here are the answers..

1. this is so easy
2. finally, someone solved this
3. imsoboredsoimadethis code
4. S e x
5. Fire Burns