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The problem is that want the *digits* of pi (or the sqrt of 2), not the value.

would it be faster or easier to calculate the square root of 2 to X hexadecimal digits?

You're going to have to keep wondering, because it's not homework. (I assume that's what you're thinking, anyway.)

I'm looking for a FAST way to calculate X digits of pi in hexadecimal without using any external libraries (i.e. APFloat, etc.).

Currently I've found code for extracting any specific digit of pi...