<PRE><B>Question 535915</B>
If your calculator has a ln button, then use it.&lt;P&gt;

If not then convert this to log_10 (log base 10) with the log conversion formula.&lt;P&gt;

log_x(Y)= (log_z(y))/log_z(a).&lt;P&gt;

3= 2.718 281...&lt;P&gt;

So ln(2*pi) = log_10(2*pi) / log_10(e) = approx.  .7981799 / .434294 = 1.8379.&lt;P&gt;

When using the calculator, don&#39;t round the intermediate numbers.</PRE>