IP core student version ?

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Most of those IPs can be used in evaluation mode. It means that you can't flash it, and you need to keep a USB Blaster connected to the FPGA while you are using it. Except for that it is 100% functional and doesn't cost anything. For research purposes it could be enough.

If you need to flash your design, you could contact the company making the IP and ask them if they have special prices for academics. It differs from one company to the other.

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So I can run it on the device if USB blaster is connected ?

but I got this message from Quartus when I compiled it :

warning: megafunction that supports opencore plus feature will stop functioning in 1 hour after device is programmed

Is it still working for 1 hour if I connect USB blaster with it ?

How much is it estimately the cost for Altera Cyclone II?

thanks