## What is the logarithm function in Excel?

The Microsoft Excel LOG function returns the logarithm of a number to a specified base. The LOG function is a built-in function in Excel that is categorized as a Math/Trig Function. It can be used as a worksheet function (WS) in Excel.

### Can Excel calculate logarithms?

The Excel LOG function returns the logarithm of a given number, using a supplied base. The base argument defaults to 10 if not supplied. number – Number for which you want the logarithm. base – [optional] Base of the logarithm.

**How do you do log base 2 in Excel?**

LOG in Excel always returns a numeric value. For a given number 32, 5 is the exponent to which base 2 has been raised to produce the number 32. So, a LOG of 32 will be 5. Mathematically, we write it as log232 =5, which is a LOG of 32 to the base 2 is 5.

**What is the difference between log and LN?**

The difference between log and ln is that log is defined for base 10 and ln is denoted for base e. For example, log of base 2 is represented as log2 and log of base e, i.e. loge = ln (natural log).

## Can you take a log of 0?

2. log 0 is undefined. It’s not a real number, because you can never get zero by raising anything to the power of anything else.

### How do you find the natural log of total assets in Excel?

This article describes the formula syntax and usage of the LN function in Microsoft Excel….Example.

Formula | Description | Result |
---|---|---|

=LN(86) | Natural logarithm of 86 | 4.4543473 |

=LN(2.7182818) | Natural logarithm of the value of the constant e | 1 |

=LN(EXP(3)) | Natural logarithm of e raised to the power of 3 | 3 |

**What is the value of log2 base 10?**

0.301

The value of log 2, to the base 10, is 0.301.

**Why is ln used?**

A logarithm (LN) is a concept in mathematics that denotes the number of times a number has to be multiplied by itself in order to arrive at a specified value. In mathematical terms, a logarithm of a number is the exponent that is used to raise another number, the base, in order to arrive at that number.

## Is log and log10 the same thing?

A common logarithm, Log10(), uses 10 as the base and a natural logarithm, Log(), uses the number e (approximately 2.71828) as the base.

### Can you have a negative logarithm?

You can’t take the logarithm of a negative number or of zero.

**Why do some logarithms not exist?**

The base of the logarithm: Can be only positive numbers not equal to 1. The argument of the logarithm: Can be only positive numbers (because of the restriction on the base) The value you get for the logarithm after plugging in the base and argument: Can be positive or negative numbers.