INVOLUTION BT_ LOGASLITHMS. 259 



EXAMPLES. 



5. To square the number 2*5791. - 



Num, Log. 



Root 2-5791 ' 0-4114682 



The Index 2 



Power 6-651756 0-8229364 



2. To find the cube of 3-07146. 



Num. Log. 



Root 3-07146 0-4873449 



The Index 3 



Power 28-97575 ^1-4620347 



■2, To raise '09163 to the 4th power. 

 Num. Log. 



Root -09163 — 2-9620377 



The Index 4 



Power '0000704938 — 5-8481508 



Here 4 times the negative index being — 8, and 3 to 

 be carried, the difFerence —5 is the index of the product. 



4. To raise 1-0045 ^^ the 36^th root. 

 Num. Log. 



Root 1-0045 0-0019499 



' The Index 3^5 



9749S 

 I 16994 



58497 



Power 5-148888 •7117135 



Ep^ozution 



