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14:26
Logarithm Introduction
I introduce logarithms and show how to convert from logarithm form to exponential form. Ye...
published: 25 Oct 2011
author: ProfRobBob
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9:49
Introduction to Logarithms
An introduction to logarithms....
published: 17 May 2007
author: Khan Academy
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4:28
What is a Logarithm : Logarithms, Lesson 1
This tutorial explains a practical way to think about logarithms. Donate http://bit.ly/19A...
published: 31 Aug 2012
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3:08
Solving Logarithmic Equations - Example 1
Need a LIVE tutor to help answer a question? Check out the people at http://www.tutor.com/...
published: 12 Sep 2010
author: patrickJMT
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20:37
Properties of Logarithms - Everything You Need to Know!
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published: 02 Dec 2008
author: patrickJMT
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11:29
Show the use of a Logarithm table
This video shows you How To Use Logarithms table with step by step. Logarithms: Logarith...
published: 24 Nov 2014
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17:39
Algebra 2 - Exponential and Logarithmic Equations
Solving exponential equations and/or logarithmic equations can be challenging, but in the ...
published: 26 Feb 2013
author: yaymath
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3:35
Logarithms, Explained - Steve Kelly
View full lesson: http://ed.ted.com/lessons/steve-kelly-logarithms-explained What are loga...
published: 20 Aug 2012
author: TED-Ed
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9:16
Introduction to logarithm properties
Introduction to the first two logarithm properties. More free lessons at: http://www.khana...
published: 15 Nov 2007
author: Khan Academy
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7:24
An Introduction to Logarithmic Functions
From Thinkwell's College Algebra Chapter 6 Exponential and Logarithmic Functions, Subchapt...
published: 26 Feb 2014
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21:17
Algebra 2 - Properties of Logarithms
This lesson shows the main properties of logarithms as we tackle a few problemos using the...
published: 26 Feb 2013
author: yaymath
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9:59
Properties of Logarithms - Part 1
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published: 14 Mar 2008
author: patrickJMT
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9:11
How I Feel About Logarithms
also might as well explain all of elementary algebra You can download this video via torre...
published: 18 Nov 2013
author: Vihart
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58:12
Logarithm - Mathematics
Introduction & use of logarithm for Classes XI & XII....
published: 13 Sep 2013
author: dpssrinagar
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5:23
Graphing a Logarithm Function
Graphing a Logarithm Function. **THERE IS A MISTAKE AT 2:46 - I SAY 32 WHEN I SHOULD SAY 6...
published: 27 Oct 2013
author: patrickJMT
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2:51
Solving exponential equation with logarithm
Description More free lessons at: http://www.khanacademy.org/video?v=R443Db-wJ5o....
published: 27 Mar 2014
author: Khan Academy
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10:05
Introduction to logarithm properties (part 2)
Second part of the introduction to logarithm properties. More free lessons at: http://www....
published: 15 Nov 2007
author: Khan Academy
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10:05
A Proof of the Logarithm Properties
A worksheet about exponential and logarithm problems and examples with detailed solutions:...
published: 08 Mar 2013
author: patrickJMT
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10:34
finding the exact value of a logarithm
learn how to find the exact value of a logarithm. no calculator :)...
published: 13 Feb 2012
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6:47
Natural Base (e) and Natural Logarithms (ln)
This video looks at properties of e and ln and simplifying expressions containing e and na...
published: 11 Nov 2011
author: Marty Brandl
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9:20
Properties of Logarithms - Part 2 - Solving Logarithmic Equations
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published: 18 Mar 2008
author: patrickJMT
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26:17
Logarithm Part 2 (Logarithmic Properties)
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published: 14 Nov 2013
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20:54
Logarithm Part 1
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published: 14 Nov 2013
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16:49
5.2 The Natural Logarithm - Integration (part 1)
...
published: 29 Aug 2012
author: Krista Hands
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The logarithm of a number is the exponent by which another fixed value, the base, has to be raised to produce that number. For example, the logarithm of 1000 to base 10 is 3, because 1000 is 10 to the power 3: 1000 = 103 = 10 × 10 × 10. More generally, if x = by, then y is the logarithm of x to base b, and is written logb(x), so log10(1000) = 3.

Logarithms were introduced by John Napier in the early 17th century as a means to simplify calculations. They were rapidly adopted by scientists, engineers, and others to perform computations more easily, using slide rules and logarithm tables. These devices rely on the fact—important in its own right—that the logarithm of a product is the sum of the logarithms of the factors:

The present-day notion of logarithms comes from Leonhard Euler, who connected them to the exponential function in the 18th century.

The logarithm to base b = 10 is called the common logarithm and has many applications in science and engineering. The natural logarithm has the constant e (≈ 2.718) as its base; its use is widespread in pure mathematics, especially calculus. The binary logarithm uses base b = 2 and is prominent in computer science.




This page contains text from Wikipedia, the Free Encyclopedia - http://en.wikipedia.org/wiki/Logarithm

This article is licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported License, which means that you can copy and modify it as long as the entire work (including additions) remains under this license.