Log(z)=log(10)log 10(z)

Theorem

The following formula holds: $$\log(z)=\log(10)\log_{10}(z),$$ where $\log$ denotes logarithm and $\log_{10}$ denotes logarithm base a.

References

• 1964: Milton Abramowitz and Irene A. Stegun: Handbook of mathematical functions ... (previous) ... (next): $4.1.23$