I am obliged to write program in Assembly that will draw chart of a function given by user (type of function is : ax^2+bx+c). I chose FASM because I believe I know the basics (still I am the rookie). I searched in Google and I did not manage to find some useful resources or tutorial that show how to draw things in graphic mode in FASM. If you know some tutorials, examples or any kind of resources that will help me, please provide me with links.

Erm, fasm is not a general purpose application. It is only an assembler so you have to write some assembly source code that can use the drawing functions of the OS, and then assemble it with fasm.

Since you posted in the DOS section then I'd suggest what you should be looking for is tutorials on how to do graphics drawing in DOS (and hopefully tutorials using assembly code, but this not necessary since you can port it).

I guess you could start with something simple like googling for 'vga programming assembler' and reviewing, for example, this tutorial: http://www.wagemakers.be/english/doc/vga and then moving forward.

Or just use INT 10H - you need a few points for a curve, so no need for speed (I hope).

@AsmGuru62 @zhak @revolution Thank you for your suggestions!

> I am obliged to write program in Assembly that will draw
> chart of a function given by user (type of function is : ax^2+bx+c).

Did you get it (15 days later) ?