Text, Number: CharToCode, CodeToChar extended ASCII conversion

[Scott Ferguson]

Two functions to convert a printable character to it's ASCII code and vice versa.
Error Handling-
For CodeToChar: Non-printable characters or numbers out of range returns character (9632 decimal, 25A0 hex) (black square).
For CharToCode: Empty text returns 0.

Usage:

[Shatishkumar Danabalan]

Hi,i face some problem in the encryption part... Hope u can help me!!

i use this link https://groups.google.com/forum/#!msg/programming-with-app-inventor/bIJbxElBAak/pv4hi5-I6HEJ

[Nizar ulinnuha arif]

hi Shatishkumar Danabalan 

how to make sms encryption using column transposition method, if it can be made in the AI 2

Thank you very much