I entered in the fantastic world of programming when I was 9 years old. 
  My father give me a Casio graphical/programmable calculator as a present. It was exactly a FX-7400 G. 
  Quick Specifications:
     - Maximum of 26 variables (alphabet letters) 
- 13-character x 6-line display 
- 7 Kbytes of memory 
 
 
   
  If you ask me what is the first program that I have created the right answer is that I simply copied the first example in the manual.
  This is the first program I wrote, and I’m writing this post just to share my enthusiasm in reading this again:
   
  
     
  This is the beginning of my career in the computer science field :)