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A look at the basic need for Logarithms.
After reading this text and / or viewing the video tutorial on this topic you should be able to: explain what is meant by a logarithm. state and use the laws of logarithms. solve simple equations requiring the use of logarithms.
So why are logarithms useful? Sometimes you might want to compare items that are so di erent from each other, that it becomes di cult. For example, let us say that we wanted to compare the sizes of the major bodies of the solar system. We want to communicate clearly, so we decide to make a graph of the volumes in cubic megameters (Mm).
Introduction to Logarithms. In its simplest form, a logarithm answers the question: How many of one number multiply together to make another number? Example: How many 2 s multiply together to make 8? Answer: 2 × 2 × 2 = 8, so we had to multiply 3 of the 2 s to get 8. So the logarithm is 3. How to Write it. We write it like this: log2(8) = 3.
In this booklet we will demonstrate how logarithmic functions can be used to linearise certain functions, discuss the calculus of the exponential and logarithmic functions and give some useful applications of them.
19 Ιουν 2024 · This Corbettmaths video goes through an introduction to logarithms. It explains how to work out logs of numbers and also some key facts.
This topic introduces logarithms and exponential equations. Logarithms are used to solve exponential equations, and so are used along with exponential functions when modelling growth and decay. The logarithmic function is an important mathematical function and you will meet it again if you study calculus.
