The natural base, e

I no know

ouo;; 

Nevermind, I figured it out, and I might as well put in my steps. 

ln(x)=ln(10) * log(x)

Change base of log(x)

ln(x)=ln(x)/ln(10) * ln(10)

ln(10)/ln(10)=1

1(ln(x))=ln(x)

ln(x)=ln(x)