c = log a c and l o g a a = 1. But, to calculate logs in general there are a number of methods. For logs base e, otherwise known as natural logs, typically written ln, we have, for small x ln ( 1 + x) = x − x 2 / 2 + x 3 / 3 − x 4 / 4 +... That formula can be used together with one log fact to calcu Continue Reading Related Answer Quora UserHow do I do log base 2 on a calculator?
Your calculator may have simply a ln ( or log ( button, but for this formula you only need one of these: For example, to evaluate the logarithm base 2 of 8, enter ln (8)/ln (2) into your calculator and press ENTER. You should get 3 as your answer.How to put base log on graphing calculator?
“logBase (” is the name of the operation on your calculator that allows you to calculate any base logarithm (If you are only interested in calculating base 10 logs, you can just use the [log] button). To access it, press [alpha] , [window], and select the fifth option from the menu, logBase (.