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how to find log and antilog
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From Wikipedia
Web log analysis software
Web log analysis software (also called a web log analyzer) is a simple kind of Web analytics software that parses a log file from a web server, and based on the values contained in the log file, derives indicators about who, when, and how a web server is visited. Usually reports are generated from the log files immediately, but the log files can alternatively be parsed to a database and reports generated on demand.
Features supported by log analysis packages may include "hit filters", which use pattern matching to examine selected log data.
Common Indicators
 Number of visits and number of unique visitors
 Visits duration and last visits
 Authenticated users, and last authenticated visits
 Days of week and rush hours
 Domains/countries of host's visitors
 Hosts list
 Number total pageviews
 Most viewed, entry and exit pages
 Files type
 OS used
 Browsers used
 Robots
 HTTP referrer
 Search engines, key phrases and keywords used to find the analyzed web site
 HTTP errors
 Some of the log analyzers also report on who's on the site, conversion tracking, visit time and page navigation.
From Yahoo Answers
Question:How come there's no ANTILOG on a scientific calculator? For example, if I use a printed out LOGARITHM TABLE then I can look up the logs and add/subtract them, then find out the actual number by looking up the reverse of the logarithm. But I only see the LOG button on calculators and never the anti log or reverse log (unlike Sin and Sin1, etc.). Why is this? Hits palm on head (palm, not Palm :)
You're absolutely right! Sheesh. I totally just overlooked that. Thanks. I use RPN as well (can't stand socalled algebraic). All my real and iPhone/iPad/Mac calculators are RPN :)
Thanks!
Answers:Depends on the calculator. The Windows calculator can do base10 antilog of x by entering: x, inverse, log. My HP just does the same antilog by entering: 10, x, y^x (it's an RPN calculator). Since space is limited on a calculator, the designers must optimize for the functions they expect to be most useful. I guess since y^x or x^y function is really, really useful and can return the same result, some opt not to add redundant inverse log or antilog function for the benefit of people who don't quite understand what a log is.
Answers:Depends on the calculator. The Windows calculator can do base10 antilog of x by entering: x, inverse, log. My HP just does the same antilog by entering: 10, x, y^x (it's an RPN calculator). Since space is limited on a calculator, the designers must optimize for the functions they expect to be most useful. I guess since y^x or x^y function is really, really useful and can return the same result, some opt not to add redundant inverse log or antilog function for the benefit of people who don't quite understand what a log is.
Question:In my book it is given that above is equal to log 4 to base 2. How come. I have proved log a log b = log ab
This stuff simple dives over me. I mean can u prove anythin like that?
Answers:It appears that they used the "chage of base" formula that says the log a to the base b = (log a) / (log b) so you can rewrite this problem as (log 4) / (log 5) * (log 5) / (log 2) when you multiply, the log 5 on top will cancel with the log 5 on bottom leaving (log 4) / (log 2). if you take that answer and use the change of base formula again, you will get log 4 with a base of 2 which is actually just 2. I hope this helps and wasn't too confusing, Rousey
Answers:It appears that they used the "chage of base" formula that says the log a to the base b = (log a) / (log b) so you can rewrite this problem as (log 4) / (log 5) * (log 5) / (log 2) when you multiply, the log 5 on top will cancel with the log 5 on bottom leaving (log 4) / (log 2). if you take that answer and use the change of base formula again, you will get log 4 with a base of 2 which is actually just 2. I hope this helps and wasn't too confusing, Rousey
Question:Given f(x)=log (base 2) (x+5) and g(x)=x
Find (f+g)(x)
y=log(base 2)(x+5)x
I don't know how to turn that into an equation from which I can graph
Answers://// log(2)(x+5)log(2)2^(x) =log(2)(x+5)/2^x
Answers://// log(2)(x+5)log(2)2^(x) =log(2)(x+5)/2^x
Question:log (3) x
How do i find these 2 points outside of using a calculator
Answers:So the equation is log (3) x More specifically y = log (3) x So if you rewrite the equation to... 3^y = x it'll make it SOO much easier for us.. From that, we can plug in any number we want for y, and we will get a value for x, and those values are on the function. But.. if you want to make your life easier, juse use 1,2 for y... So if we plug in 1 for y, we get 3^1 which is just 3 so the cordinate (3,1) is on the function Plug in 2 for y, we get 3^2, which is 9 so the cordinate (2,9) is on the function. ^^
Answers:So the equation is log (3) x More specifically y = log (3) x So if you rewrite the equation to... 3^y = x it'll make it SOO much easier for us.. From that, we can plug in any number we want for y, and we will get a value for x, and those values are on the function. But.. if you want to make your life easier, juse use 1,2 for y... So if we plug in 1 for y, we get 3^1 which is just 3 so the cordinate (3,1) is on the function Plug in 2 for y, we get 3^2, which is 9 so the cordinate (2,9) is on the function. ^^
From Youtube
Exponents & Logs: Graphing Functions :www.mindbites.com This 64 minute exponents & logarithms lesson studies the graphs of the exponential function and the inverse of the exponential function, which is the logarithm: This lesson will show you how to:  graph exponential functions and summarize the characteristics of the graphs  find the inverse of the exponential function  graph logarithmic functions and summarize the characteristics of the graphs  understand the x and y intercepts, an asymptote, domain & range, growth and decay functions, and the reflection property Sample question: Given the exponential function y = 2^x, write its inverse in exponential form On the same grid, draw the graphs of y = 2^x and its inverse x = 2^y. Show the line of reflection y = x This lesson contains explanations of the concepts and 13 example questions with step by step solutions plus 3 interactive review questions with solutions. Lesson that will help you with the fundamentals of this lesson:  400 Solving Exponential Equations (www.mindbites.com
Exponents & Logs: Working With Logarithms :www.mindbites.com This 67 minute exponents & logarithms lesson begins with the relationship between exponents and logarithms and focuses on solving for an unknown in a logarithmic equation and learning to evaluate logarithms with different bases: This lesson will show you how to:  change from exponential form to logarithmic form  change from logarithmic form to exponential form  identify and use a common log  identify and use a natural log (ln, base e)  solve for unknowns in a logarithmic equation  evaluate logarithms, for example log base 7(49 cube root 7) + log base 27(3^3 times 81 ^1/2)  find the number positi0n and the base position Thislesson contains explanations of the concepts and 32 example questions with step by step solutions plus 5 interactive review questions with solutions. Lessons that will help you with the fundamentals of this lesson include:  115 The 5 Basic Exponent Laws (www.mindbites.com  165 The Zero Negative & Rational Exponent (www.mindbites.com  205 Solving Systems of Linear Equations (www.mindbites.com  400 Solving Exponential Equations (www.mindbites.com  405 Graphing Exponential & Logarithmic Functions (www.mindbites.com