ln() function in Arduino

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1

Hi all,

I was wondering if there's a ln() function in arduino.
I have seen multiple topic about this problem, but I just don't know how to insert that function in my code. Can someone explain how to use this function in arduino?

Kind regards,

Vierus

2

It's log(). See:
http://www.cplusplus.com/reference/cmath/log/

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