How do you input exchange rate?

Hi, guys.

How do you input exchange rate for different currency?

I only find the way to input them manually one by one. Or make a spread sheet for batch input everyday.

Is there any other automatic way to get the exchange rate online? such as

Due to manager is an opensource software, can someone tell me how to modify the source code to add this function?

Thank you.


There is no automatic method. And Manager is not open source software.