Just that all languages and CAD environments I have used define log(x) as natural logarithm, and log10(x) and base 10 logarithm. Again, this is common knowledg

Just that all languages and CAD environments I have used define log(x) as natural logarithm, and log10(x) and base 10 logarithm. Again, this is common knowledge in engineering programming, but maybe not so in general programming.