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Natural logarithm

The natural logarithm of a number is its logarithm to the base of the mathematical constant e, which is an irrational and transcendental number approximately equal to 2.718281828459. Wikipedia
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The natural logarithm of x is generally written as ln x, loge x, or sometimes, if the base e is implicit, simply log x. Parentheses are sometimes added for ...
Video for Ln
Duration: 5:25
Posted: Jan 17, 2019
I remember that the ln( ) notation means that the base of the log is the natural exponential, e, so this is the natural log. The base e of the natural log is ...
The ln command is a standard Unix command utility used to create a hard link or a symbolic link (symlink) to an existing file or directory.
The basic difference between log and ln is that log is represented with base 10 and ln is denoted by base e, where e is the exponential function.
ln() Function. The ln() function returns the natural logarithm (base e, which is 2.718281828 rounded to precision) of a given numeric expression.
LN(x) returns the natural logarithm of the positive number x to the base e (e = 2.71828).
The natural log is the inverse of $e^x$, a fancy term for opposite. Speaking of fancy, the Latin name is logarithmus naturali, giving the abbreviation ln.