XXVlll 



RESISTANCE OF MATERIALS 



TABLE XI 

 CONVERSION OF LOGARITHMS 



REDUCTION OF COMMON LOGARITHMS TO NATURAL LOGARITHMS 



Rule for using Table. Divide the given common logarithm into periods of two 

 digits and take from the table the corresponding numbers, having regard to their 

 value as decimals. The sum will be the required natural logarithm. 



Example. Find the natural logarithm corresponding to the common logarithm 



.497149. 



COMMON LOGARITHMS NATURAL LOGARITHMS 



1.1282667 



.49 

 .0071 

 .000049 

 .497149 



.016348354 

 .00011282667 

 1.14472788067 



