No need to learn coding. AI will do this for you. Just learn to think, ask question, clear your basic questions and don't be afraid to learn new things from anybody. Do simple sums on your own and think afresh. "My goal is to teach you how to think and ask questions". Internet is full of information. Please don't run after them.
Computational
SCILAB & SCILAB ON CLOUD (no need to install scilab on your computer)
Intel ifort compiler for Linux [its free] [here]
Stake Overflow a very nice forum[click here]
Fortran Lesson[here]
GNU plot Not so frequently asked[here]
INTERNET SETTING