Atbash and Ceasar's Subtitution Cipher

For Atbash Cipher discussion and examples:

http://practicalcryptography.com/ciphers/atbash-cipher-cipher/

For Ceasar's Subtitution discussion and examples:

http://en.wikipedia.org/wiki/Caesar_cipher

In the exam, only example encryption will be included. Discussions about theories of these cipher algorithm is not included. .....