Calculate the natural log of any number. Enter the number which you want to calculate the natural log of and this calculator will evaluate ln(x).

## Natural Log Formula

The natural logarithm is a specific log that has a base of a mathematical constant. This const is e. (e) is an irrational number that roughly equals 2.718281828459. Instead of using the standard nomenclature of logarithms, which typically look like log(base,X), the natural log used the symbol ln(x).

This mathematical concept originally appeared in 1949 when studying the nature of hyperbola. Specifically the hyperbola xy=1. It was defined as the area of the hyperbolic sectors of this graph xy=1. Their solution was names the hyperbolic logarithm, which was later rename to the natural log.

As mentioned above, e is equal to approximately 2.718281828459, and this calculator uses that as a base for the log. In reality, e is equal to a summation of of s series of infinite values. As a result, the ln can only be approximated, not found exactly.

The more powerful the computer, the more accurate it can estimate e through more and more summations. With that said, for must cases, the number above is sufficient as it yields an accuracy of greater than 99.99%.

## Ln Calculator

So what can this calculator be used for? Well first you need to understand a little more about the natural log to be able to use it properly. We’ve gone into some detail above, but lets dig a little deeper.

Ln(x) is equal to the inverse of e^x. Log for that matter if the inverse of base ^x. Intuitively. this can be explained as the time it take to reach a certain level of growth, which is one use for this.

This is where we will end. The natural log is all about time and growth.

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