Pi as student input

I don’t have a complete solution, but I’ve seen things in the graphing area where you use round to test for accuracy to a certain number of decimal places.
In the graphing area, I think the formula looks something like this: round(10^6*(answer-pi))/(10^6)
And then this conversation mentions using functions in CL to evaluate.
Maybe combining those strategies together in CL would work for you?

simple function evaluated with multiple values

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