i60 tOGARlTHMS. 



EroLvriON by Logarithms^ 



; RULE. »• 



Divide the logarithm of the given number by the index 

 of the pov/er, and tfie number answering to the quotient 

 will be the root r(?quired. 



Note. When the index of the logarithm is negative, 

 and cannot be divided by the divisor without a remainder,; 

 increase the index by a number, that will render it exactly 

 divisible, and carry the units borrowed, as so many tens^ 

 to the first decimalplace ; and divide the rest as usuah. 



EXAMPLES. 



I, To find the square root of 365'. 

 Num. Log, 



Power 365 2)2*5622929 



Root 19*10498 •i'28ii465 



%. To find the 3d root of 1 2345. 



Num. Log. 



Power 12345 3)4'o9i49it 



Root 23*1 1 162 1*3638304 



p. To find the loth root of 2, 



Num. Log. 



Power 2 10)0*3010300 



Root 1*071773 0*0301030 



4. To find the 365th root of 1*045. 

 ■ Num. Log. ' 



Power 1*045 365)0*0191163 



B-OOt i'oooi2i 0*0000524 



^ To 



