SOLUTION: instead of using table what is the constant or formula to find log of any number with base 10.eg:log13(base10); log12(base 10)

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Question 209446: instead of using table what is the constant or formula to find log of any number with base 10.eg:log13(base10); log12(base 10)
Found 2 solutions by rfer, Alan3354:
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
Base ten is the natural log found on calculators.

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Most calculators have 'log' for base 10, called common logs, and 'ln' for natural logs (base e).