Define

**log**.**log**synonyms,**log**pronunciation,**log**translation, English dictionary definition of**log**. n. 1. a. A usually large section of a trunk or limb of a fallen or felled tree. b.**log**definition: 1. a thick piece of tree trunk or branch, especially one cut for burning on a fire 2. a full…. Learn more.**Log**definition, a portion or length of the trunk or of a large limb of a felled tree. See more.**log on**: [verb] to establish communication and initiate interaction with a computer or network.The notation is

**log**b x or**log**b (x) where b is the base and x is the number for which the logarithm is to be found. There are several named logarithms: the common logarithm has a base of 10 (b = 10, log10), while the natural logarithm has a base of the number e (the Euler number, ~2.718), while the binary logarithm has a base of 2.a, b, c are real numbers and b > 0, a > 0, a ≠ 1. a is called "base" of the logarithm. Example: 2 3 = 8 =>

**log**2 8 = 3. the base is 2. Animated explanation of logarithms. There are standard notation of logarithms if the base is 10 or e .**log**10 b is denoted by lg b.**log**e b is denoted by**log**b or ln b.If you need a username and password (or other credentials) to access something, you are logging in. If you can access it without credentials (like this site), you are logging on. Here’s an easy way to remember

**log**in vs.**log**on. Since the word credentials contains the letter I, like the word in, you can use this shared letter as a mnemonic ...