hi Khan740
Protel , Altium Designer , ECAD ,... is some windows software than we use that for desing pcb (print circuit board) for our project and system
Altium Designer and Protel 99 is same , Protel 99 product in 1990-2000 .
in 2004 Altium INC development that by Protel 2004
in 2006 we see the new version of protel , it rename to Altium Designer ( Altium Designer 6.xxxx)
and now...
i think anybody don't use Protel 99 because in new version (Altium Designer x.xxx) we have many new feature .
this software has a long history and product by Altium Limited . for get more information About that ; you can follow bottom link : Altium - Wikipedia, the free encyclopedia Nortel - Wikipedia, the free encyclopedia What happened to Protel?