Does any one know of any good, math programs that are easy to use and are user friendly?
Seriously, what do you want to do? Everything mathematics related? You'd have to learn programming in Fortran then
Good luck paying for them yourself. Research institutions are about the only places you are going to find that use those.
An app that is able to do factoring, multiplying complex numbers, finding roots of equations, etc.
I hope this is possible lol
I think Windows Calc can do those. If you need to, switch it to advanced view.
Click Start-Run -> calc and click ok.
A good place to start looking on your own is:
Just make sure you grab an application that is for your platform - probably Win32 from the sound of it.